Quarterly US dollars
1986-09-30 3764
1986-12-31 4113
1987-03-31 4136
1987-06-30 4176
1987-09-30 4121
1987-12-31 4587
1988-03-31 4412
1988-06-30 4131
1988-09-30 4009
1988-12-31 4036
1989-03-31 3803
1989-06-30 3392
1989-09-30 3510
1989-12-31 3079
1990-03-31 2983
1990-06-30 2804
1990-09-30 2694
1990-12-31 2347
1991-03-31 2132
1991-06-30 1919
1991-09-30 1849
1991-12-31 1727
1992-03-31 1351
1992-06-30 1362
1992-09-30 1410
1992-12-31 1192
1993-03-31 1016
1993-06-30 922
1993-09-30 882
1993-12-31 1002
1994-03-31 740
1994-06-30 654
1994-09-30 536
1994-12-31 518
1995-03-31 417
1995-06-30 472
1995-09-30 378
1995-12-31 402
1996-03-31 392
1996-06-30 323
1996-09-30 347
1996-12-31 417
1997-03-31 383
1997-06-30 251
1997-09-30 256
1997-12-31 266
1998-03-31 231
1998-06-30 200
1998-09-30 225
1998-12-31 507
1999-03-31 466
1999-06-30 446
1999-09-30 477
1999-12-31 260
2000-03-31 269
2000-06-30 287
2000-09-30 217
2000-12-31 275
2001-03-31 241
2001-06-30 232
2001-09-30 298
2001-12-31 345
2002-03-31 416
2002-06-30 400
2002-09-30 471
2002-12-31 472
2003-03-31 457
2003-06-30 609
2003-09-30 639
2003-12-31 911
2004-03-31 920
2004-06-30 1050
2004-09-30 1087
2004-12-31 1218
2005-03-31 1382
2005-06-30 1377
2005-09-30 1367
2005-12-31 1289
2006-03-31 1766
2006-06-30 2257
2006-09-30 2708
2006-12-31 2777
2007-03-31 2532
2007-06-30 3086
2007-09-30 3182
2007-12-31 4732
2008-03-31 6327
2008-06-30 8055
2008-09-30 9230
2008-12-31 6210
2009-03-31 3366
2009-06-30 3474
2009-09-30 3770
2009-12-31 3705
2010-03-31 3924
2010-06-30 3821
2010-09-30 3503
2010-12-31 3192
2011-03-31 3446
2011-06-30 3813
2011-09-30 3275
2011-12-31 3052
2012-03-31 3309
2012-06-30 3962
2012-09-30 4561
2012-12-31 5417
2013-03-31 5571
2013-06-30 5545
2013-09-30 5593
2013-12-31 5904
2014-03-31 6603
2014-06-30 8619
2014-09-30 9600
2014-12-31 9341
2015-03-31 10755
2015-06-30 10256
2015-09-30 9874
2015-12-31 8913
2016-03-31 8080
2016-06-30 6751
2016-09-30 6181
2016-12-31 7249
2017-03-31 7450
2017-06-30 7313
2017-09-30 9203
2017-12-31 9540
2018-03-31 13774
2018-06-30 13804
2018-09-30 14057
2018-12-31 14600
2019-03-31 16362
2019-06-30 17896
2019-09-30 17750
2019-12-31 17432
2020-03-31 17644
2020-06-30 17096
2020-09-30 16445
2020-12-31 18454
2021-03-31 18106
2021-06-30 17718
2021-09-30 18175
2021-12-31 17514
2022-03-31 17530
2022-06-30 17563
2022-09-30 18646
2022-12-31 18512
2023-03-31 19085
2023-06-30 18158
2023-09-30 18029