Quarterly US dollars
1986-09-30 22778
1986-12-31 18547
1987-03-31 18808
1987-06-30 19822
1987-09-30 20584
1987-12-31 22059
1988-03-31 20477
1988-06-30 20017
1988-09-30 17727
1988-12-31 16389
1989-03-31 17287
1989-06-30 18501
1989-09-30 16358
1989-12-31 16402
1990-03-31 16773
1990-06-30 14831
1990-09-30 15847
1990-12-31 14761
1991-03-31 13666
1991-06-30 13604
1991-09-30 13574
1991-12-31 14280
1992-03-31 14422
1992-06-30 14399
1992-09-30 11867
1992-12-31 11551
1993-03-31 11932
1993-06-30 11614
1993-09-30 12969
1993-12-31 20511
1994-03-31 14146
1994-06-30 15008
1994-09-30 17686
1994-12-31 17887
1995-03-31 15880
1995-06-30 13408
1995-09-30 15758
1995-12-31 14486
1996-03-31 16903
1996-06-30 16626
1996-09-30 17403
1996-12-31 17447
1997-03-31 15876
1997-06-30 15393
1997-09-30 18500
1997-12-31 21971
1998-03-31 18036
1998-06-30 17310
1998-09-30 17616
1998-12-31 18063
1999-03-31 15476
1999-06-30 16091
1999-09-30 12308
1999-12-31 22045
2000-03-31 12655
2000-06-30 13304
2000-09-30 13628
2000-12-31 13577
2001-03-31 11463
2001-06-30 12105
2001-09-30 12357
2001-12-31 22921
2002-03-31 14559
2002-06-30 14432
2002-09-30 17944
2002-12-31 15735
2003-03-31 15204
2003-06-30 23284
2003-09-30 24218
2003-12-31 28394
2004-03-31 34554
2004-06-30 27491
2004-09-30 39054
2004-12-31 26404
2005-03-31 18024
2005-06-30 43652
2005-09-30 31128
2005-12-31 36190
2006-03-31 46106
2006-06-30 21746
2006-09-30 40345
2006-12-31 40742
2007-03-31 66743
2007-06-30 56702
2007-09-30 38435
2007-12-31 45341
2008-03-31 97345
2008-06-30 50934
2008-09-30 52741
2008-12-31 79609
2009-03-31 112954
2009-06-30 76127
2009-09-30 30056
2009-12-31 29327
2010-03-31 28523
2010-06-30 25146
2010-09-30 28381
2010-12-31 26075
2011-03-31 26913
2011-06-30 31747
2011-09-30 256742
2011-12-31 250720
2012-03-31 202753
2012-06-30 19845
2012-09-30 23127
2012-12-31 21018
2013-03-31 21732
2013-06-30 19420
2013-09-30 19228
2013-12-31 20582
2014-03-31 21337
2014-06-30 22610
2014-09-30 24037
2014-12-31 26166
2015-03-31 27577
2015-06-30 25635
2015-09-30 27214
2015-12-31 26255
2016-03-31 26231
2016-06-30 25320
2016-09-30 22107
2016-12-31 19359
2017-03-31 22845
2017-06-30 19867
2017-09-30 21574
2017-12-31 22743
2018-03-31 23781
2018-06-30 24188
2018-09-30 23475
2018-12-31 22123
2019-03-31 21005
2019-06-30 21338
2019-09-30 19076
2019-12-31 20561
2020-03-31 19336
2020-06-30 16447
2020-09-30 16061
2020-12-31 15689
2021-03-31 18289
2021-06-30 17108
2021-09-30 15534
2021-12-31 14433
2022-03-31 14181
2022-06-30 14663
2022-09-30 16786
2022-12-31 9516
2023-03-31 9821
2023-06-30 8382
2023-09-30 8867