| 1978年5月-2018年9月外资持有美国长期国债期末余额 | |||
| 美国财政部 | 单位：百万美元 | ||
| 时间 | 外资买入美国长期国债余额 | 外资卖出美国长期国债余额 | 外资净买入美国长期国债余额 |
| 2018-Sep | 2682900 | 2675446 | 7454 |
| 2018-Aug | 2940075 | 2862928 | 77147 |
| 2018-Jul | 2734313 | 2701895 | 32418 |
| 2018-Jun | 2893538 | 2939018 | -45480 |
| 2018-May | 3112990 | 3092728 | 20262 |
| 2018-Apr | 2834817 | 2812207 | 22610 |
| 2018-Mar | 2964238 | 2943060 | 21178 |
| 2018-Feb | 3303013 | 3245351 | 57662 |
| 2018-Jan | 2990813 | 2928352 | 62461 |
| 2017-Dec | 2638393 | 2607361 | 31032 |
| 2017-Nov | 2761402 | 2726644 | 34758 |
| 2017-Oct | 2706579 | 2696114 | 10465 |
| 2017-Sep | 2590968 | 2528635 | 62333 |
| 2017-Aug | 2666099 | 2625503 | 40596 |
| 2017-Jul | 2322532 | 2321795 | 737 |
| 2017-Jun | 2875287 | 2840024 | 35263 |
| 2017-May | 2954733 | 2859228 | 95505 |
| 2017-Apr | 2163762 | 2159961 | 3801 |
| 2017-Mar | 2934640 | 2899112 | 35528 |
| 2017-Feb | 2486817 | 2448546 | 38271 |
| 2017-Jan | 2400436 | 2383293 | 17143 |
| 2016-Dec | 2341063 | 2354212 | -13149 |
| 2016-Nov | 2800964 | 2780477 | 20487 |
| 2016-Oct | 2388199 | 2398243 | -10044 |
| 2016-Sep | 2414405 | 2465801 | -51396 |
| 2016-Aug | 2552556 | 2528525 | 24031 |
| 2016-Jul | 2273827 | 2208883 | 64944 |
| 2016-Jun | 2538275 | 2539913 | -1638 |
| 2016-May | 2497905 | 2481567 | 16338 |
| 2016-Apr | 2211700 | 2257466 | -45766 |
| 2016-Mar | 2539210 | 2473939 | 65271 |
| 2016-Feb | 2741656 | 2714769 | 26887 |
| 2016-Jan | 2332801 | 2370793 | -37992 |
| 2015-Dec | 2188066 | 2231457 | -43391 |
| 2015-Nov | 2370543 | 2326254 | 44289 |
| 2015-Oct | 2419330 | 2465116 | -45786 |
| 2015-Sep | 2522788 | 2517341 | 5447 |
| 2015-Aug | 2611568 | 2639654 | -28086 |
| 2015-Jul | 2706295 | 2699241 | 7054 |
| 2015-Jun | 2724740 | 2635395 | 89345 |
| 2015-May | 2421621 | 2338839 | 82782 |
| 2015-Apr | 2267418 | 2221999 | 45419 |
| 2015-Mar | 2752983 | 2742977 | 10006 |
| 2015-Feb | 2527698 | 2514740 | 12958 |
| 2015-Jan | 2392560 | 2416155 | -23595 |
| 2014-Dec | 2448820 | 2451164 | -2344 |
| 2014-Nov | 2076252 | 2016889 | 59363 |
| 2014-Oct | 2807884 | 2822841 | -14957 |
| 2014-Sep | 2399081 | 2307385 | 91696 |
| 2014-Aug | 2062719 | 2036175 | 26544 |
| 2014-Jul | 1972332 | 1976267 | -3935 |
| 2014-Jun | 2237707 | 2256108 | -18401 |
| 2014-May | 2299891 | 2263277 | 36614 |
| 2014-Apr | 2444925 | 2454912 | -9987 |
| 2014-Mar | 2542624 | 2529678 | 12946 |
| 2014-Feb | 2226738 | 2137723 | 89015 |
| 2014-Jan | 2350871 | 2369304 | -18433 |
| 2013-Dec | 2047572 | 2066181 | -18609 |
| 2013-Nov | 2078715 | 2087850 | -9135 |
| 2013-Oct | 2294928 | 2248669 | 46259 |
| 2013-Sep | 2340349 | 2276391 | 63958 |
| 2013-Aug | 2274339 | 2286363 | -12024 |
| 2013-Jul | 2350703 | 2313627 | 37076 |
| 2013-Jun | 2627339 | 2705942 | -78603 |
| 2013-May | 2768892 | 2767282 | 1610 |
| 2013-Apr | 2374591 | 2384452 | -9861 |
| 2013-Mar | 2241959 | 2243916 | -1957 |
| 2013-Feb | 2313026 | 2302415 | 10611 |
| 2013-Jan | 2057516 | 2007400 | 50116 |
| 2012-Dec | 1773389 | 1697680 | 75709 |
| 2012-Nov | 1818113 | 1753373 | 64740 |
| 2012-Oct | 2095329 | 2061737 | 33592 |
| 2012-Sep | 1989438 | 1967050 | 22388 |
| 2012-Aug | 2051086 | 1968215 | 82871 |
| 2012-Jul | 1924103 | 1851574 | 72529 |
| 2012-Jun | 1998418 | 1988881 | 9537 |
| 2012-May | 2333077 | 2249134 | 83943 |
| 2012-Apr | 2137141 | 2095639 | 41502 |
| 2012-Mar | 2222920 | 2200313 | 22607 |
| 2012-Feb | 2194600 | 2172110 | 22490 |
| 2012-Jan | 2055745 | 1953534 | 102211 |
| 2011-Dec | 1651967 | 1669547 | -17580 |
| 2011-Nov | 2121703 | 2057055 | 64648 |
| 2011-Oct | 2172249 | 2153833 | 18416 |
| 2011-Sep | 2343668 | 2267194 | 76474 |
| 2011-Aug | 3201870 | 3132863 | 69007 |
| 2011-Jul | 2099434 | 2075536 | 23898 |
| 2011-Jun | 2574174 | 2581203 | -7029 |
| 2011-May | 2481389 | 2427804 | 53585 |
| 2011-Apr | 2030770 | 1985477 | 45293 |
| 2011-Mar | 2663478 | 2606231 | 57247 |
| 2011-Feb | 2281075 | 2247625 | 33450 |
| 2011-Jan | 2197052 | 2121086 | 75966 |
| 2010-Dec | 2141232 | 2068466 | 72766 |
| 2010-Nov | 2537187 | 2444803 | 92384 |
| 2010-Oct | 2043423 | 1995061 | 48362 |
| 2010-Sep | 2154239 | 2075285 | 78954 |
| 2010-Aug | 2125005 | 1989496 | 135509 |
| 2010-Jul | 1694366 | 1621629 | 72737 |
| 2010-Jun | 2085038 | 2055534 | 29504 |
| 2010-May | 2321546 | 2293846 | 27700 |
| 2010-Apr | 1997998 | 1890846 | 107152 |
| 2010-Mar | 2308374 | 2152823 | 155551 |
| 2010-Feb | 1899648 | 1848391 | 51257 |
| 2010-Jan | 1708973 | 1672561 | 36412 |
| 2009-Dec | 1757844 | 1675924 | 81920 |
| 2009-Nov | 1894293 | 1765391 | 128902 |
| 2009-Oct | 1992352 | 1949346 | 43006 |
| 2009-Sep | 1815083 | 1758868 | 56215 |
| 2009-Aug | 1744013 | 1704775 | 39238 |
| 2009-Jul | 1649558 | 1603774 | 45784 |
| 2009-Jun | 2040690 | 1915295 | 125395 |
| 2009-May | 1548283 | 1539016 | 9267 |
| 2009-Apr | 1485350 | 1451205 | 34145 |
| 2009-Mar | 1757790 | 1696086 | 61704 |
| 2009-Feb | 1457044 | 1434484 | 22560 |
| 2009-Jan | 1337429 | 1346708 | -9279 |
| 2008-Dec | 1493240 | 1470189 | 23051 |
| 2008-Nov | 1562044 | 1621320 | -59276 |
| 2008-Oct | 2514666 | 2548144 | -33478 |
| 2008-Sep | 3081762 | 3054076 | 27686 |
| 2008-Aug | 2163947 | 2169411 | -5464 |
| 2008-Jul | 2819516 | 2837486 | -17970 |
| 2008-Jun | 2794173 | 2733898 | 60275 |
| 2008-May | 2599231 | 2496080 | 103151 |
| 2008-Apr | 2584570 | 2482354 | 102216 |
| 2008-Mar | 3066483 | 2992661 | 73822 |
| 2008-Feb | 2913130 | 2846005 | 67125 |
| 2008-Jan | 3132110 | 3058359 | 73751 |
| 2007-Dec | 2313598 | 2249675 | 63923 |
| 2007-Nov | 2901782 | 2837654 | 64128 |
| 2007-Oct | 2683180 | 2550204 | 132976 |
| 2007-Sep | 2339108 | 2284801 | 54307 |
| 2007-Aug | 3335251 | 3372985 | -37734 |
| 2007-Jul | 2473707 | 2448484 | 25223 |
| 2007-Jun | 2624823 | 2501073 | 123750 |
| 2007-May | 2429804 | 2259692 | 170112 |
| 2007-Apr | 2028855 | 1931037 | 97818 |
| 2007-Mar | 2719330 | 2617437 | 101893 |
| 2007-Feb | 2047570 | 1962472 | 85098 |
| 2007-Jan | 1833591 | 1709263 | 124328 |
| 2006-Dec | 1843410 | 1780415 | 62995 |
| 2006-Nov | 1918450 | 1798464 | 119986 |
| 2006-Oct | 1869757 | 1763629 | 106128 |
| 2006-Sep | 1751036 | 1645600 | 105436 |
| 2006-Aug | 1749716 | 1620516 | 129200 |
| 2006-Jul | 1571870 | 1507670 | 64200 |
| 2006-Jun | 1790851 | 1699019 | 91832 |
| 2006-May | 2066855 | 1959202 | 107653 |
| 2006-Apr | 1483289 | 1415091 | 68198 |
| 2006-Mar | 1824470 | 1728159 | 96311 |
| 2006-Feb | 1621314 | 1516363 | 104951 |
| 2006-Jan | 1586113 | 1499782 | 86331 |
| 2005-Dec | 1223188 | 1148772 | 74416 |
| 2005-Nov | 1461600 | 1354648 | 106952 |
| 2005-Oct | 1482801 | 1375150 | 107651 |
| 2005-Sep | 1669760 | 1561322 | 108438 |
| 2005-Aug | 1430969 | 1350965 | 80004 |
| 2005-Jul | 1286950 | 1192482 | 94468 |
| 2005-Jun | 1523661 | 1431155 | 92506 |
| 2005-May | 1494716 | 1451858 | 42858 |
| 2005-Apr | 1407286 | 1348646 | 58640 |
| 2005-Mar | 1524677 | 1459445 | 65232 |
| 2005-Feb | 1364740 | 1273353 | 91387 |
| 2005-Jan | 1287113 | 1198125 | 88988 |
| 2004-Dec | 1308477 | 1224629 | 83848 |
| 2004-Nov | 1405663 | 1304212 | 101451 |
| 2004-Oct | 1193809 | 1130025 | 63784 |
| 2004-Sep | 1250695 | 1183518 | 67177 |
| 2004-Aug | 1207146 | 1153806 | 53340 |
| 2004-Jul | 1202863 | 1135014 | 67849 |
| 2004-Jun | 1233569 | 1143270 | 90299 |
| 2004-May | 1312229 | 1249365 | 62864 |
| 2004-Apr | 1375483 | 1279556 | 95927 |
| 2004-Mar | 1393455 | 1326107 | 67348 |
| 2004-Feb | 1157656 | 1089305 | 68351 |
| 2004-Jan | 1137839 | 1043621 | 94218 |
| 2003-Dec | 1018831 | 942865 | 75966 |
| 2003-Nov | 986343 | 904199 | 82144 |
| 2003-Oct | 1238429 | 1197265 | 41164 |
| 2003-Sep | 1152366 | 1131733 | 20633 |
| 2003-Aug | 1266789 | 1213052 | 53737 |
| 2003-Jul | 1287886 | 1208420 | 79466 |
| 2003-Jun | 1305375 | 1227542 | 77833 |
| 2003-May | 1252333 | 1150826 | 101507 |
| 2003-Apr | 938995 | 885852 | 53143 |
| 2003-Mar | 1196277 | 1124971 | 71306 |
| 2003-Feb | 932477 | 915596 | 16881 |
| 2003-Jan | 949860 | 903780 | 46080 |
| 2002-Dec | 918565 | 872921 | 45644 |
| 2002-Nov | 1185340 | 1117214 | 68126 |
| 2002-Oct | 1169945 | 1128270 | 41675 |
| 2002-Sep | 1089966 | 1049828 | 40138 |
| 2002-Aug | 1166769 | 1125904 | 40865 |
| 2002-Jul | 1272460 | 1222711 | 49749 |
| 2002-Jun | 1030579 | 979212 | 51367 |
| 2002-May | 1160672 | 1105449 | 55223 |
| 2002-Apr | 1061066 | 1019882 | 41184 |
| 2002-Mar | 1097635 | 1025339 | 72296 |
| 2002-Feb | 891796 | 866772 | 25024 |
| 2002-Jan | 978136 | 961862 | 16274 |
| 2001-Dec | 792782 | 748392 | 44390 |
| 2001-Nov | 1017349 | 960959 | 56390 |
| 2001-Oct | 935742 | 871890 | 63852 |
| 2001-Sep | 737737 | 732393 | 5344 |
| 2001-Aug | 831736 | 794450 | 37286 |
| 2001-Jul | 766449 | 739065 | 27384 |
| 2001-Jun | 809676 | 770751 | 38925 |
| 2001-May | 910836 | 850057 | 60779 |
| 2001-Apr | 833448 | 803332 | 30116 |
| 2001-Mar | 900653 | 842081 | 58572 |
| 2001-Feb | 815745 | 760068 | 55677 |
| 2001-Jan | 909599 | 867465 | 42134 |
| 2000-Dec | 741430 | 711110 | 30320 |
| 2000-Nov | 703501 | 671191 | 32310 |
| 2000-Oct | 795478 | 750557 | 44921 |
| 2000-Sep | 691864 | 661953 | 29911 |
| 2000-Aug | 655630 | 593176 | 62454 |
| 2000-Jul | 598022 | 567940 | 30082 |
| 2000-Jun | 699629 | 667564 | 32065 |
| 2000-May | 689038 | 668195 | 20843 |
| 2000-Apr | 733753 | 698225 | 35528 |
| 2000-Mar | 883228 | 846328 | 36900 |
| 2000-Feb | 806684 | 744519 | 62165 |
| 2000-Jan | 685836 | 645507 | 40329 |
| 1999-Dec | 558057 | 529051 | 29006 |
| 1999-Nov | 673059 | 635114 | 37945 |
| 1999-Oct | 605419 | 581976 | 23443 |
| 1999-Sep | 569974 | 539410 | 30564 |
| 1999-Aug | 641162 | 591536 | 49626 |
| 1999-Jul | 599397 | 568869 | 30528 |
| 1999-Jun | 626440 | 599080 | 27360 |
| 1999-May | 650081 | 618513 | 31568 |
| 1999-Apr | 640128 | 603279 | 36849 |
| 1999-Mar | 675551 | 646200 | 29351 |
| 1999-Feb | 640762 | 632265 | 8497 |
| 1999-Jan | 603459 | 588035 | 15424 |
| 1998-Dec | 488536 | 455630 | 32906 |
| 1998-Nov | 656452 | 602544 | 53908 |
| 1998-Oct | 785842 | 782063 | 3779 |
| 1998-Sep | 793073 | 800835 | -7762 |
| 1998-Aug | 690449 | 698145 | -7696 |
| 1998-Jul | 611186 | 597947 | 13239 |
| 1998-Jun | 665399 | 640622 | 24777 |
| 1998-May | 598800 | 556842 | 41958 |
| 1998-Apr | 586020 | 552798 | 33222 |
| 1998-Mar | 633419 | 604893 | 28526 |
| 1998-Feb | 550282 | 514164 | 36118 |
| 1998-Jan | 574039 | 549223 | 24816 |
| 1997-Dec | 476383 | 471201 | 5182 |
| 1997-Nov | 501631 | 476821 | 24810 |
| 1997-Oct | 686696 | 656019 | 30677 |
| 1997-Sep | 543496 | 510060 | 33436 |
| 1997-Aug | 611738 | 565588 | 46150 |
| 1997-Jul | 543841 | 513364 | 30477 |
| 1997-Jun | 588904 | 544837 | 44067 |
| 1997-May | 542873 | 519784 | 23089 |
| 1997-Apr | 516121 | 471699 | 44422 |
| 1997-Mar | 499035 | 468501 | 30534 |
| 1997-Feb | 542494 | 498175 | 44319 |
| 1997-Jan | 520060 | 489244 | 30816 |
| 1996-Dec | 473080 | 417538 | 55542 |
| 1996-Nov | 468833 | 436018 | 32815 |
| 1996-Oct | 490382 | 454143 | 36239 |
| 1996-Sep | 441266 | 414202 | 27064 |
| 1996-Aug | 339801 | 314087 | 25714 |
| 1996-Jul | 402362 | 350277 | 52085 |
| 1996-Jun | 298395 | 278689 | 19706 |
| 1996-May | 357245 | 330305 | 26940 |
| 1996-Apr | 292391 | 270731 | 21660 |
| 1996-Mar | 343178 | 322088 | 21090 |
| 1996-Feb | 408863 | 379885 | 28978 |
| 1996-Jan | 351811 | 329426 | 22385 |
| 1995-Dec | 265200 | 271534 | -6334 |
| 1995-Nov | 325796 | 296504 | 29292 |
| 1995-Oct | 323951 | 313378 | 10573 |
| 1995-Sep | 308182 | 308580 | -398 |
| 1995-Aug | 340740 | 304067 | 36673 |
| 1995-Jul | 305737 | 262469 | 43268 |
| 1995-Jun | 368103 | 334142 | 33961 |
| 1995-May | 355200 | 331804 | 23396 |
| 1995-Apr | 229573 | 218253 | 11320 |
| 1995-Mar | 317252 | 302859 | 14393 |
| 1995-Feb | 317465 | 297126 | 20339 |
| 1995-Jan | 280442 | 264988 | 15454 |
| 1994-Dec | 233201 | 219102 | 14099 |
| 1994-Nov | 293199 | 272125 | 21074 |
| 1994-Oct | 257177 | 245698 | 11479 |
| 1994-Sep | 257119 | 244563 | 12556 |
| 1994-Aug | 325167 | 298806 | 26361 |
| 1994-Jul | 213424 | 208264 | 5160 |
| 1994-Jun | 280162 | 275650 | 4512 |
| 1994-May | 329893 | 305191 | 24702 |
| 1994-Apr | 250087 | 264466 | -14379 |
| 1994-Mar | 318299 | 313959 | 4340 |
| 1994-Feb | 324981 | 304637 | 20344 |
| 1994-Jan | 268363 | 258261 | 10102 |
| 1993-Dec | 217905 | 202465 | 15440 |
| 1993-Nov | 332164 | 306725 | 25439 |
| 1993-Oct | 277897 | 260463 | 17434 |
| 1993-Sep | 286518 | 287745 | -1227 |
| 1993-Aug | 312248 | 289790 | 22458 |
| 1993-Jul | 234345 | 234813 | -468 |
| 1993-Jun | 282914 | 280503 | 2411 |
| 1993-May | 226645 | 223207 | 3438 |
| 1993-Apr | 236254 | 227011 | 9243 |
| 1993-Mar | 306301 | 295285 | 11016 |
| 1993-Feb | 289464 | 285516 | 3948 |
| 1993-Jan | 209888 | 207890 | 1998 |
| 1992-Dec | 178648 | 172639 | 6009 |
| 1992-Nov | 238758 | 218044 | 20714 |
| 1992-Oct | 227931 | 219668 | 8263 |
| 1992-Sep | 218900 | 225322 | -6422 |
| 1992-Aug | 239322 | 231511 | 7811 |
| 1992-Jul | 261786 | 262003 | -217 |
| 1992-Jun | 218504 | 200762 | 17742 |
| 1992-May | 195269 | 198814 | -3545 |
| 1992-Apr | 206936 | 195812 | 11124 |
| 1992-Mar | 228895 | 236085 | -7190 |
| 1992-Feb | 210028 | 201896 | 8132 |
| 1992-Jan | 252849 | 242038 | 10811 |
| 1991-Dec | 185999 | 181243 | 4756 |
| 1991-Nov | 211526 | 202109 | 9417 |
| 1991-Oct | 209378 | 206217 | 3161 |
| 1991-Sep | 189966 | 192587 | -2621 |
| 1991-Aug | 224246 | 217059 | 7187 |
| 1991-Jul | 180790 | 175947 | 4843 |
| 1991-Jun | 156589 | 157740 | -1151 |
| 1991-May | 223771 | 202939 | 20832 |
| 1991-Apr | 201200 | 195104 | 6096 |
| 1991-Mar | 188345 | 197348 | -9003 |
| 1991-Feb | 226891 | 215162 | 11729 |
| 1991-Jan | 183417 | 180548 | 2869 |
| 1990-Dec | 159344 | 152651 | 6693 |
| 1990-Nov | 194680 | 186390 | 8290 |
| 1990-Oct | 179402 | 183305 | -3902 |
| 1990-Sep | 137334 | 139860 | -2527 |
| 1990-Aug | 225739 | 223810 | 1929 |
| 1990-Jul | 177180 | 167999 | 9181 |
| 1990-Jun | 164007 | 156940 | 7067 |
| 1990-May | 172377 | 176133 | -3755 |
| 1990-Apr | 159741 | 157050 | 2691 |
| 1990-Mar | 159412 | 171007 | -11595 |
| 1990-Feb | 187614 | 184950 | 2664 |
| 1990-Jan | 194344 | 192349 | 1995 |
| 1989-Dec | 157095 | 153295 | 3800 |
| 1989-Nov | 212094 | 200691 | 11403 |
| 1989-Oct | 238048 | 235424 | 2624 |
| 1989-Sep | 179931 | 171021 | 8910 |
| 1989-Aug | 257654 | 232919 | 24736 |
| 1989-Jul | 232384 | 229737 | 2647 |
| 1989-Jun | 256722 | 256717 | 5 |
| 1989-May | 215543 | 207697 | 7845 |
| 1989-Apr | 167002 | 162746 | 4256 |
| 1989-Mar | 176120 | 163754 | 12367 |
| 1989-Feb | 180805 | 167063 | 13742 |
| 1989-Jan | 158299 | 154098 | 4201 |
| 1988-Dec | 114628 | 111585 | 3043 |
| 1988-Nov | 152656 | 141044 | 11612 |
| 1988-Oct | 154272 | 150916 | 3356 |
| 1988-Sep | 143937 | 144596 | -659 |
| 1988-Aug | 161183 | 159128 | 2055 |
| 1988-Jul | 142109 | 137156 | 4953 |
| 1988-Jun | 208581 | 206659 | 1922 |
| 1988-May | 144549 | 130453 | 14095 |
| 1988-Apr | 133823 | 127814 | 6009 |
| 1988-Mar | 166665 | 154906 | 11759 |
| 1988-Feb | 180102 | 167954 | 12148 |
| 1988-Jan | 125436 | 120935 | 4502 |
| 1987-Dec | 104702 | 103975 | 727 |
| 1987-Nov | 130531 | 130521 | 11 |
| 1987-Oct | 167275 | 164175 | 3100 |
| 1987-Sep | 140740 | 133409 | 7330 |
| 1987-Aug | 144637 | 141897 | 2740 |
| 1987-Jul | 146116 | 140672 | 5444 |
| 1987-Jun | 175328 | 159300 | 16028 |
| 1987-May | 134946 | 129563 | 5383 |
| 1987-Apr | 145904 | 142426 | 3479 |
| 1987-Mar | 168434 | 152540 | 15895 |
| 1987-Feb | 129868 | 124216 | 5652 |
| 1987-Jan | 103668 | 100329 | 3339 |
| 1986-Dec | 109505 | 102539 | 6966 |
| 1986-Nov | 91662 | 90971 | 691 |
| 1986-Oct | 108441 | 103637 | 4804 |
| 1986-Sep | 110566 | 100673 | 9893 |
| 1986-Aug | 111909 | 106243 | 5666 |
| 1986-Jul | 108016 | 103900 | 4116 |
| 1986-Jun | 107528 | 101064 | 6464 |
| 1986-May | 106198 | 99352 | 6845 |
| 1986-Apr | 156587 | 138507 | 18080 |
| 1986-Mar | 139012 | 120955 | 18057 |
| 1986-Feb | 112355 | 106877 | 5478 |
| 1986-Jan | 93635 | 92136 | 1500 |
| 1985-Dec | 85686 | 71516 | 14169 |
| 1985-Nov | 74376 | 63748 | 10627 |
| 1985-Oct | 51095 | 46189 | 4907 |
| 1985-Sep | 55428 | 44934 | 10494 |
| 1985-Aug | 52241 | 53159 | -918 |
| 1985-Jul | 65952 | 56248 | 9704 |
| 1985-Jun | 48714 | 41186 | 7528 |
| 1985-May | 58476 | 52033 | 6443 |
| 1985-Apr | 49474 | 43626 | 5847 |
| 1985-Mar | 32780 | 34697 | -1917 |
| 1985-Feb | 44744 | 37846 | 6899 |
| 1985-Jan | 48204 | 43705 | 4498 |
| 1984-Dec | 42223 | 31765 | 10459 |
| 1984-Nov | 40751 | 36127 | 4624 |
| 1984-Oct | 43543 | 37401 | 6141 |
| 1984-Sep | 20369 | 23729 | -3360 |
| 1984-Aug | 36267 | 29068 | 7199 |
| 1984-Jul | 29212 | 27571 | 1641 |
| 1984-Jun | 22647 | 23127 | -480 |
| 1984-May | 23353 | 22295 | 1058 |
| 1984-Apr | 18267 | 15795 | 2473 |
| 1984-Mar | 16051 | 15853 | 197 |
| 1984-Feb | 20684 | 19651 | 1033 |
| 1984-Jan | 22102 | 21670 | 431 |
| 1983-Dec | 14922 | 15078 | -157 |
| 1983-Nov | 18079 | 18688 | -609 |
| 1983-Oct | 23216 | 20665 | 2551 |
| 1983-Sep | 21128 | 19666 | 1463 |
| 1983-Aug | 20143 | 21303 | -1160 |
| 1983-Jul | 13602 | 14766 | -1164 |
| 1983-Jun | 18570 | 16813 | 1757 |
| 1983-May | 23027 | 19971 | 3056 |
| 1983-Apr | 15069 | 15232 | -163 |
| 1983-Mar | 21941 | 18550 | 3391 |
| 1983-Feb | 17295 | 15770 | 1525 |
| 1983-Jan | 16449 | 15209 | 1240 |
| 1982-Dec | 17051 | 15339 | 1712 |
| 1982-Nov | 19930 | 18946 | 984 |
| 1982-Oct | 17331 | 15356 | 1975 |
| 1982-Sep | 16324 | 14002 | 2322 |
| 1982-Aug | 15395 | 14241 | 1154 |
| 1982-Jul | 11492 | 9425 | 2067 |
| 1982-Jun | 10838 | 9840 | 997 |
| 1982-May | 11751 | 9468 | 2283 |
| 1982-Apr | 10813 | 8444 | 2368 |
| 1982-Mar | 11934 | 9691 | 2243 |
| 1982-Feb | 9932 | 7084 | 2847 |
| 1982-Jan | 6724 | 5006 | 1718 |
| 1981-Dec | 10982 | 9870 | 1112 |
| 1981-Nov | 13529 | 11607 | 1922 |
| 1981-Oct | 8368 | 6871 | 1496 |
| 1981-Sep | 9892 | 7844 | 2048 |
| 1981-Aug | 9331 | 7308 | 2023 |
| 1981-Jul | 9521 | 7097 | 2424 |
| 1981-Jun | 13634 | 10817 | 2817 |
| 1981-May | 10133 | 7951 | 2182 |
| 1981-Apr | 10280 | 8420 | 1860 |
| 1981-Mar | 13170 | 10197 | 2972 |
| 1981-Feb | 9315 | 6600 | 2716 |
| 1981-Jan | 8297 | 5952 | 2345 |
| 1980-Dec | 11024 | 10085 | 939 |
| 1980-Nov | 9652 | 7804 | 1847 |
| 1980-Oct | 10033 | 7978 | 2055 |
| 1980-Sep | 10890 | 8707 | 2183 |
| 1980-Aug | 7675 | 7736 | -62 |
| 1980-Jul | 9015 | 7178 | 1837 |
| 1980-Jun | 11907 | 9277 | 2630 |
| 1980-May | 5703 | 6339 | -635 |
| 1980-Apr | 6073 | 6208 | -135 |
| 1980-Mar | 7769 | 7198 | 571 |
| 1980-Feb | 8977 | 7169 | 1808 |
| 1980-Jan | 8174 | 5451 | 2723 |
| 1979-Dec | 8024 | 7040 | 984 |
| 1979-Nov | 5914 | 7008 | -1094 |
| 1979-Oct | 8581 | 7693 | 888 |
| 1979-Sep | 5170 | 4299 | 871 |
| 1979-Aug | 7933 | 7129 | 803 |
| 1979-Jul | 7758 | 5960 | 1798 |
| 1979-Jun | 5205 | 4496 | 709 |
| 1979-May | 4780 | 5584 | -804 |
| 1979-Apr | 5596 | 4653 | 943 |
| 1979-Mar | 4624 | 3497 | 1127 |
| 1979-Feb | 3779 | 4366 | -587 |
| 1979-Jan | 5558 | 5515 | 43 |
| 1978-Dec | 3369 | 3208 | 161 |
| 1978-Nov | 4859 | 4620 | 239 |
| 1978-Oct | 6467 | 4863 | 1605 |
| 1978-Sep | 5483 | 4542 | 941 |
| 1978-Aug | 6167 | 5598 | 569 |
| 1978-Jul | 5018 | 4101 | 918 |
| 1978-Jun | 5730 | 3942 | 1788 |
| 1978-May | 6156 | 5607 | 549 |
