Quarterly US dollars
1986-09-30 2350
1986-12-31 1958
1987-03-31 2790
1987-06-30 3508
1987-09-30 3064
1987-12-31 2772
1988-03-31 3990
1988-06-30 3709
1988-09-30 3727
1988-12-31 2534
1989-03-31 3469
1989-06-30 3082
1989-09-30 3613
1989-12-31 2778
1990-03-31 3331
1990-06-30 3386
1990-09-30 4441
1990-12-31 4852
1991-03-31 6137
1991-06-30 5994
1991-09-30 6114
1991-12-31 5115
1992-03-31 5170
1992-06-30 4696
1992-09-30 7405
1992-12-31 5963
1993-03-31 5547
1993-06-30 5210
1993-09-30 4978
1993-12-31 4674
1994-03-31 4718
1994-06-30 5379
1994-09-30 4882
1994-12-31 5568
1995-03-31 5386
1995-06-30 6655
1995-09-30 6617
1995-12-31 9813
1996-03-31 10559
1996-06-30 11329
1996-09-30 13163
1996-12-31 9719
1997-03-31 11217
1997-06-30 11102
1997-09-30 12883
1997-12-31 10552
1998-03-31 9359
1998-06-30 11530
1998-09-30 13869
1998-12-31 12893
1999-03-31 12999
1999-06-30 13465
1999-09-30 15389
1999-12-31 14093
2000-03-31 15675
2000-06-30 15188
2000-09-30 12082
2000-12-31 11989
2001-03-31 13685
2001-06-30 12622
2001-09-30 13627
2001-12-31 12224
2002-03-31 13895
2002-06-30 14034
2002-09-30 11777
2002-12-31 10956
2003-03-31 15763
2003-06-30 16422
2003-09-30 16212
2003-12-31 18890
2004-03-31 25647
2004-06-30 20917
2004-09-30 28139
2004-12-31 29496
2005-03-31 24716
2005-06-30 24648
2005-09-30 21956
2005-12-31 21852
2006-03-31 31137
2006-06-30 29273
2006-09-30 31426
2006-12-31 26545
2007-03-31 33612
2007-06-30 30009
2007-09-30 39816
2007-12-31 39195
2008-03-31 37131
2008-06-30 28537
2008-09-30 25387
2008-12-31 20262
2009-03-31 22168
2009-06-30 20818
2009-09-30 22544
2009-12-31 18847
2010-03-31 23062
2010-06-30 19832
2010-09-30 25078
2010-12-31 19903
2011-03-31 24470
2011-06-30 23598
2011-09-30 24628
2011-12-31 22569
2012-03-31 19892
2012-06-30 20056
2012-09-30 24560
2012-12-31 25713
2013-03-31 25043
2013-06-30 26100
2013-09-30 27543
2013-12-31 26764
2014-03-31 26625
2014-06-30 28637
2014-09-30 28050
2014-12-31 28113
2015-03-31 24915
2015-06-30 23759
2015-09-30 23525
2015-12-31 27439
2016-03-31 26051
2016-06-30 27297
2016-09-30 30810
2016-12-31 27711
2017-03-31 27967
2017-06-30 29966
2017-09-30 31573
2017-12-31 32559
2018-03-31 30586
2018-06-30 31662
2018-09-30 29847
2018-12-31 25777
2019-03-31 28790
2019-06-30 26397
2019-09-30 24449
2019-12-31 25982
2020-03-31 27969
2020-06-30 22642
2020-09-30 23124
2020-12-31 21662
2021-03-31 19525
2021-06-30 18653
2021-09-30 17654
2021-12-31 19537
2022-03-31 16152
2022-06-30 16123
2022-09-30 15893
2022-12-31 15138
2023-03-31 14596
2023-06-30 14390
2023-09-30 16870