Quarterly US dollars
1986-09-30 97000
1986-12-31 88000
1987-03-31 90000
1987-06-30 95000
1987-09-30 98000
1987-12-31 105000
1988-03-31 99000
1988-06-30 97000
1988-09-30 95000
1988-12-31 103000
1989-03-31 106000
1989-06-30 107000
1989-09-30 105000
1989-12-31 110000
1990-03-31 115000
1990-06-30 116000
1990-09-30 123000
1990-12-31 127000
1991-03-31 122000
1991-06-30 121000
1991-09-30 127000
1991-12-31 92000
1992-03-31 89000
1992-06-30 90000
1992-09-30 89000
1992-12-31 92000
1993-03-31 90000
1993-06-30 94000
1993-09-30 90000
1993-12-31 97000
1994-03-31 105000
1994-06-30 112000
1994-09-30 121000
1994-12-31 129000
1995-03-31 138000
1995-06-30 132000
1995-09-30 139000
1995-12-31 148000
1996-03-31 155000
1996-06-30 160000
1996-09-30 172000
1996-12-31 176000
1997-03-31 205000
1997-06-30 199000
1997-09-30 189000
1997-12-31 205000
1998-03-31 215000
1998-06-30 216000
1998-09-30 213000
1998-12-31 194000
1999-03-31 204448
1999-06-30 168937
1999-09-30 183558
1999-12-31 177561
2000-03-31 179508
2000-06-30 218371
2000-09-30 220792
2000-12-31 213601
2001-03-31 198088
2001-06-30 211325
2001-09-30 237163
2001-12-31 239966
2002-03-31 223551
2002-06-30 222768
2002-09-30 235531
2002-12-31 228296
2003-03-31 218459
2003-06-30 232351
2003-09-30 228348
2003-12-31 248665
2004-03-31 264458
2004-06-30 280670
2004-09-30 279200
2004-12-31 280316
2005-03-31 296064
2005-06-30 317203
2005-09-30 300942
2005-12-31 337787
2006-03-31 377164
2006-06-30 368900
2006-09-30 394545
2006-12-31 446614
2007-03-31 501404
2007-06-30 527682
2007-09-30 532810
2007-12-31 581680
2008-03-31 692614
2008-06-30 602716
2008-09-30 566092
2008-12-31 651053
2009-03-31 715795
2009-06-30 609053
2009-09-30 580444
2009-12-31 556033
2010-03-31 549214
2010-06-30 548801
2010-09-30 578682
2010-12-31 617542
2011-03-31 680773
2011-06-30 685532
2011-09-30 1107861
2011-12-31 1084996
2012-03-31 1031013
2012-06-30 864127
2012-09-30 865483
2012-12-31 880283
2013-03-31 874429
2013-06-30 860158
2013-09-30 860886
2013-12-31 869293
2014-03-31 885516
2014-06-30 903115
2014-09-30 919421
2014-12-31 932262
2015-03-31 894636
2015-06-30 913476
2015-09-30 902391
2015-12-31 883819
2016-03-31 905188
2016-06-30 914402
2016-09-30 948038
2016-12-31 969860
2017-03-31 986020
2017-06-30 1046633
2017-09-30 1090966
2017-12-31 1128868
2018-03-31 1213054
2018-06-30 1167003
2018-09-30 1091758
2018-12-31 1178509
2019-03-31 1156113
2019-06-30 1141735
2019-09-30 1109068
2019-12-31 1069056
2020-03-31 1272127
2020-06-30 1194712
2020-09-30 1239396
2020-12-31 1347531
2021-03-31 1406920
2021-06-30 1374624
2021-09-30 1353268
2021-12-31 1317547
2022-03-31 1408623
2022-06-30 1368463
2022-09-30 1328936
2022-12-31 1259664
2023-03-31 1266368
2023-06-30 1156014
2023-09-30 1182598