Quarterly US dollars
1986-09-30 252
1986-12-31 356
1987-03-31 366
1987-06-30 452
1987-09-30 579
1987-12-31 673
1988-03-31 661
1988-06-30 728
1988-09-30 776
1988-12-31 896
1989-03-31 786
1989-06-30 740
1989-09-30 922
1989-12-31 1033
1990-03-31 1370
1990-06-30 1862
1990-09-30 2912
1990-12-31 2711
1991-03-31 1965
1991-06-30 1630
1991-09-30 1761
1991-12-31 1463
1992-03-31 1082
1992-06-30 1630
1992-09-30 2062
1992-12-31 2085
1993-03-31 2128
1993-06-30 2194
1993-09-30 2254
1993-12-31 2230
1994-03-31 2525
1994-06-30 2572
1994-09-30 2473
1994-12-31 2632
1995-03-31 2851
1995-06-30 3863
1995-09-30 4134
1995-12-31 4041
1996-03-31 4426
1996-06-30 4494
1996-09-30 3670
1996-12-31 4016
1997-03-31 4392
1997-06-30 4581
1997-09-30 5222
1997-12-31 6400
1998-03-31 5190
1998-06-30 6276
1998-09-30 5294
1998-12-31 4042
1999-03-31 4221
1999-06-30 3631
1999-09-30 4465
1999-12-31 4019
2000-03-31 4375
2000-06-30 3993
2000-09-30 4149
2000-12-31 4104
2001-03-31 5004
2001-06-30 4708
2001-09-30 3942
2001-12-31 4944
2002-03-31 5101
2002-06-30 3871
2002-09-30 4180
2002-12-31 3960
2003-03-31 3857
2003-06-30 3320
2003-09-30 3291
2003-12-31 4363
2004-03-31 4988
2004-06-30 5499
2004-09-30 4721
2004-12-31 5977
2005-03-31 6542
2005-06-30 8678
2005-09-30 6905
2005-12-31 6589
2006-03-31 8614
2006-06-30 10846
2006-09-30 9541
2006-12-31 7720
2007-03-31 10809
2007-06-30 9084
2007-09-30 8855
2007-12-31 10978
2008-03-31 9842
2008-06-30 11827
2008-09-30 8187
2008-12-31 3955
2009-03-31 2505
2009-06-30 2750
2009-09-30 4161
2009-12-31 3212
2010-03-31 4299
2010-06-30 3458
2010-09-30 6019
2010-12-31 4697
2011-03-31 9481
2011-06-30 9267
2011-09-30 7681
2011-12-31 5814
2012-03-31 5414
2012-06-30 5658
2012-09-30 6202
2012-12-31 6103
2013-03-31 6803
2013-06-30 6216
2013-09-30 6502
2013-12-31 8841
2014-03-31 7140
2014-06-30 9244
2014-09-30 8924
2014-12-31 9458
2015-03-31 9892
2015-06-30 11187
2015-09-30 10373
2015-12-31 6960
2016-03-31 6097
2016-06-30 13734
2016-09-30 13392
2016-12-31 11598
2017-03-31 13796
2017-06-30 11814
2017-09-30 8810
2017-12-31 10015
2018-03-31 14265
2018-06-30 7513
2018-09-30 9804
2018-12-31 11551
2019-03-31 8546
2019-06-30 7955
2019-09-30 8290
2019-12-31 7065
2020-03-31 10138
2020-06-30 8790
2020-09-30 8225
2020-12-31 9327
2021-03-31 3468
2021-06-30 5240
2021-09-30 5331
2021-12-31 3492
2022-03-31 5278
2022-06-30 5395
2022-09-30 6150
2022-12-31 6266
2023-03-31 5924
2023-06-30 5898
2023-09-30 9168