Quarterly US dollars
1986-09-30 9613
1986-12-31 9448
1987-03-31 9557
1987-06-30 10181
1987-09-30 9997
1987-12-31 11781
1988-03-31 10852
1988-06-30 10379
1988-09-30 10952
1988-12-31 11298
1989-03-31 11573
1989-06-30 11409
1989-09-30 11188
1989-12-31 13080
1990-03-31 12556
1990-06-30 12268
1990-09-30 14335
1990-12-31 14100
1991-03-31 13294
1991-06-30 11832
1991-09-30 12731
1991-12-31 13034
1992-03-31 12089
1992-06-30 12989
1992-09-30 12842
1992-12-31 10591
1993-03-31 12106
1993-06-30 10579
1993-09-30 10059
1993-12-31 8012
1994-03-31 7842
1994-06-30 8300
1994-09-30 7847
1994-12-31 9941
1995-03-31 9341
1995-06-30 8991
1995-09-30 7827
1995-12-31 10190
1996-03-31 9614
1996-06-30 9636
1996-09-30 9625
1996-12-31 11569
1997-03-31 9930
1997-06-30 9963
1997-09-30 12257
1997-12-31 14936
1998-03-31 16229
1998-06-30 16515
1998-09-30 20132
1998-12-31 17503
1999-03-31 17579
1999-06-30 19964
1999-09-30 17089
1999-12-31 15329
2000-03-31 16089
2000-06-30 17804
2000-09-30 18012
2000-12-31 17508
2001-03-31 17833
2001-06-30 17251
2001-09-30 17493
2001-12-31 14570
2002-03-31 16218
2002-06-30 13704
2002-09-30 13630
2002-12-31 15360
2003-03-31 18364
2003-06-30 18847
2003-09-30 18753
2003-12-31 22123
2004-03-31 23420
2004-06-30 23047
2004-09-30 26606
2004-12-31 29269
2005-03-31 35777
2005-06-30 36523
2005-09-30 32233
2005-12-31 29896
2006-03-31 38189
2006-06-30 32679
2006-09-30 39267
2006-12-31 39461
2007-03-31 41403
2007-06-30 42846
2007-09-30 44996
2007-12-31 51582
2008-03-31 50184
2008-06-30 56170
2008-09-30 43847
2008-12-31 42445
2009-03-31 48414
2009-06-30 52897
2009-09-30 47537
2009-12-31 41623
2010-03-31 41383
2010-06-30 34447
2010-09-30 46177
2010-12-31 36677
2011-03-31 43173
2011-06-30 43999
2011-09-30 42567
2011-12-31 35202
2012-03-31 45493
2012-06-30 45202
2012-09-30 45215
2012-12-31 33581
2013-03-31 32158
2013-06-30 32716
2013-09-30 33677
2013-12-31 30605
2014-03-31 26727
2014-06-30 23709
2014-09-30 19885
2014-12-31 19768
2015-03-31 22972
2015-06-30 22825
2015-09-30 22538
2015-12-31 17881
2016-03-31 19964
2016-06-30 18532
2016-09-30 19611
2016-12-31 18199
2017-03-31 16233
2017-06-30 17310
2017-09-30 18003
2017-12-31 21359
2018-03-31 22132
2018-06-30 22146
2018-09-30 15348
2018-12-31 12734
2019-03-31 11611
2019-06-30 13992
2019-09-30 12914
2019-12-31 11190
2020-03-31 12910
2020-06-30 11996
2020-09-30 11886
2020-12-31 13553
2021-03-31 10425
2021-06-30 9313
2021-09-30 10533
2021-12-31 13872
2022-03-31 12674
2022-06-30 12553
2022-09-30 10491
2022-12-31 13093
2023-03-31 13631
2023-06-30 12188
2023-09-30 13984