Quarterly US dollars
1986-09-30 2051
1986-12-31 2345
1987-03-31 2920
1987-06-30 5577
1987-09-30 5818
1987-12-31 5063
1988-03-31 4362
1988-06-30 4126
1988-09-30 2886
1988-12-31 2726
1989-03-31 2452
1989-06-30 1180
1989-09-30 1597
1989-12-31 1617
1990-03-31 1510
1990-06-30 2331
1990-09-30 2374
1990-12-31 2637
1991-03-31 2565
1991-06-30 3421
1991-09-30 2828
1991-12-31 2494
1992-03-31 2422
1992-06-30 2198
1992-09-30 2798
1992-12-31 3091
1993-03-31 2224
1993-06-30 2768
1993-09-30 1639
1993-12-31 2344
1994-03-31 2852
1994-06-30 1951
1994-09-30 1934
1994-12-31 2687
1995-03-31 1497
1995-06-30 1226
1995-09-30 1731
1995-12-31 1409
1996-03-31 1702
1996-06-30 2592
1996-09-30 2713
1996-12-31 2416
1997-03-31 2888
1997-06-30 3459
1997-09-30 2095
1997-12-31 3109
1998-03-31 4108
1998-06-30 4441
1998-09-30 4221
1998-12-31 3477
1999-03-31 3403
1999-06-30 3673
1999-09-30 4398
1999-12-31 5107
2000-03-31 5029
2000-06-30 4978
2000-09-30 5384
2000-12-31 5618
2001-03-31 6378
2001-06-30 6822
2001-09-30 6741
2001-12-31 6483
2002-03-31 2742
2002-06-30 2329
2002-09-30 2561
2002-12-31 3328
2003-03-31 4094
2003-06-30 5104
2003-09-30 4665
2003-12-31 3915
2004-03-31 3686
2004-06-30 3849
2004-09-30 4448
2004-12-31 3935
2005-03-31 4111
2005-06-30 3568
2005-09-30 5434
2005-12-31 4654
2006-03-31 5890
2006-06-30 5502
2006-09-30 5664
2006-12-31 3926
2007-03-31 3646
2007-06-30 4123
2007-09-30 5334
2007-12-31 5691
2008-03-31 4830
2008-06-30 4581
2008-09-30 6412
2008-12-31 4828
2009-03-31 2213
2009-06-30 2651
2009-09-30 2361
2009-12-31 1880
2010-03-31 2058
2010-06-30 3233
2010-09-30 3951
2010-12-31 4812
2011-03-31 2628
2011-06-30 1555
2011-09-30 3294
2011-12-31 3711
2012-03-31 4224
2012-06-30 2438
2012-09-30 2562
2012-12-31 1860
2013-03-31 1572
2013-06-30 2732
2013-09-30 2623
2013-12-31 2808
2014-03-31 2377
2014-06-30 3000
2014-09-30 3758
2014-12-31 3844
2015-03-31 4999
2015-06-30 4844
2015-09-30 4767
2015-12-31 5322
2016-03-31 5679
2016-06-30 6537
2016-09-30 7242
2016-12-31 7231
2017-03-31 7653
2017-06-30 6336
2017-09-30 6712
2017-12-31 6398
2018-03-31 7056
2018-06-30 7411
2018-09-30 5324
2018-12-31 4595
2019-03-31 4463
2019-06-30 4677
2019-09-30 5717
2019-12-31 4949
2020-03-31 8446
2020-06-30 7205
2020-09-30 7279
2020-12-31 8153
2021-03-31 7366
2021-06-30 8777
2021-09-30 9315
2021-12-31 9995
2022-03-31 11210
2022-06-30 9881
2022-09-30 12174
2022-12-31 11362
2023-03-31 16388
2023-06-30 14998
2023-09-30 14630