Quarterly US dollars
1986-09-30 887
1986-12-31 1082
1987-03-31 1067
1987-06-30 866
1987-09-30 1031
1987-12-31 958
1988-03-31 1212
1988-06-30 1356
1988-09-30 1678
1988-12-31 1477
1989-03-31 1512
1989-06-30 1690
1989-09-30 2119
1989-12-31 2094
1990-03-31 1958
1990-06-30 2029
1990-09-30 1832
1990-12-31 1689
1991-03-31 1475
1991-06-30 1243
1991-09-30 1604
1991-12-31 1656
1992-03-31 1500
1992-06-30 1669
1992-09-30 1443
1992-12-31 1825
1993-03-31 1751
1993-06-30 1381
1993-09-30 1431
1993-12-31 1689
1994-03-31 1511
1994-06-30 2224
1994-09-30 1641
1994-12-31 1770
1995-03-31 1761
1995-06-30 1968
1995-09-30 3319
1995-12-31 2293
1996-03-31 2267
1996-06-30 2343
1996-09-30 2494
1996-12-31 2587
1997-03-31 2437
1997-06-30 2685
1997-09-30 3190
1997-12-31 5363
1998-03-31 6755
1998-06-30 9000
1998-09-30 3567
1998-12-31 3621
1999-03-31 3201
1999-06-30 5025
1999-09-30 3773
1999-12-31 2918
2000-03-31 5924
2000-06-30 4086
2000-09-30 6039
2000-12-31 4240
2001-03-31 5151
2001-06-30 4499
2001-09-30 5245
2001-12-31 4398
2002-03-31 2919
2002-06-30 3022
2002-09-30 2860
2002-12-31 4229
2003-03-31 2388
2003-06-30 3259
2003-09-30 3017
2003-12-31 6085
2004-03-31 6327
2004-06-30 9496
2004-09-30 8054
2004-12-31 5309
2005-03-31 6690
2005-06-30 7645
2005-09-30 8593
2005-12-31 9203
2006-03-31 6775
2006-06-30 7641
2006-09-30 10374
2006-12-31 5626
2007-03-31 9511
2007-06-30 6924
2007-09-30 8587
2007-12-31 12056
2008-03-31 7787
2008-06-30 7553
2008-09-30 8580
2008-12-31 9107
2009-03-31 7210
2009-06-30 9555
2009-09-30 10947
2009-12-31 3571
2010-03-31 4672
2010-06-30 10015
2010-09-30 4393
2010-12-31 4501
2011-03-31 6308
2011-06-30 4429
2011-09-30 7117
2011-12-31 9378
2012-03-31 6109
2012-06-30 5323
2012-09-30 5223
2012-12-31 7275
2013-03-31 4641
2013-06-30 4484
2013-09-30 5595
2013-12-31 6098
2014-03-31 4475
2014-06-30 5209
2014-09-30 7025
2014-12-31 6456
2015-03-31 5823
2015-06-30 10275
2015-09-30 9679
2015-12-31 9637
2016-03-31 7173
2016-06-30 8235
2016-09-30 9057
2016-12-31 6137
2017-03-31 9533
2017-06-30 6355
2017-09-30 6800
2017-12-31 5469
2018-03-31 11314
2018-06-30 7432
2018-09-30 6740
2018-12-31 6801
2019-03-31 7731
2019-06-30 6544
2019-09-30 6897
2019-12-31 6977
2020-03-31 9619
2020-06-30 8656
2020-09-30 9049
2020-12-31 10119
2021-03-31 12545
2021-06-30 11060
2021-09-30 12189
2021-12-31 13662
2022-03-31 14458
2022-06-30 12581
2022-09-30 13075
2022-12-31 16685
2023-03-31 14627
2023-06-30 12966
2023-09-30 11589