Quarterly US dollars
1986-09-30 2834
1986-12-31 2701
1987-03-31 3100
1987-06-30 4148
1987-09-30 3809
1987-12-31 5336
1988-03-31 5307
1988-06-30 5367
1988-09-30 5106
1988-12-31 5159
1989-03-31 5161
1989-06-30 4769
1989-09-30 5017
1989-12-31 4772
1990-03-31 5229
1990-06-30 5439
1990-09-30 6591
1990-12-31 7744
1991-03-31 7431
1991-06-30 6605
1991-09-30 7864
1991-12-31 6933
1992-03-31 6334
1992-06-30 9004
1992-09-30 7684
1992-12-31 8006
1993-03-31 9597
1993-06-30 8457
1993-09-30 12088
1993-12-31 9577
1994-03-31 7140
1994-06-30 7501
1994-09-30 7887
1994-12-31 7273
1995-03-31 7996
1995-06-30 7770
1995-09-30 7873
1995-12-31 11804
1996-03-31 11597
1996-06-30 10994
1996-09-30 11638
1996-12-31 11622
1997-03-31 11793
1997-06-30 10625
1997-09-30 12365
1997-12-31 14131
1998-03-31 11675
1998-06-30 15973
1998-09-30 17710
1998-12-31 12678
1999-03-31 14959
1999-06-30 15682
1999-09-30 15325
1999-12-31 11462
2000-03-31 11202
2000-06-30 13745
2000-09-30 16903
2000-12-31 13307
2001-03-31 12531
2001-06-30 12717
2001-09-30 10835
2001-12-31 10555
2002-03-31 12723
2002-06-30 14028
2002-09-30 16748
2002-12-31 15111
2003-03-31 20063
2003-06-30 24585
2003-09-30 27031
2003-12-31 27943
2004-03-31 31157
2004-06-30 32795
2004-09-30 31389
2004-12-31 37624
2005-03-31 38050
2005-06-30 36252
2005-09-30 33988
2005-12-31 33342
2006-03-31 30278
2006-06-30 30023
2006-09-30 36113
2006-12-31 32102
2007-03-31 38892
2007-06-30 42922
2007-09-30 51625
2007-12-31 52235
2008-03-31 44758
2008-06-30 44008
2008-09-30 32306
2008-12-31 44121
2009-03-31 40460
2009-06-30 33552
2009-09-30 36931
2009-12-31 26369
2010-03-31 25964
2010-06-30 22796
2010-09-30 24962
2010-12-31 19233
2011-03-31 20687
2011-06-30 22136
2011-09-30 22273
2011-12-31 20198
2012-03-31 24356
2012-06-30 29266
2012-09-30 20223
2012-12-31 19212
2013-03-31 25202
2013-06-30 24735
2013-09-30 30930
2013-12-31 31990
2014-03-31 32188
2014-06-30 23342
2014-09-30 17991
2014-12-31 17759
2015-03-31 20815
2015-06-30 17186
2015-09-30 16698
2015-12-31 16058
2016-03-31 17797
2016-06-30 16890
2016-09-30 16281
2016-12-31 17450
2017-03-31 17016
2017-06-30 15335
2017-09-30 14982
2017-12-31 15027
2018-03-31 17511
2018-06-30 12508
2018-09-30 13951
2018-12-31 10998
2019-03-31 12867
2019-06-30 11534
2019-09-30 13173
2019-12-31 11164
2020-03-31 10123
2020-06-30 11630
2020-09-30 11900
2020-12-31 10154
2021-03-31 8768
2021-06-30 8498
2021-09-30 8449
2021-12-31 11397
2022-03-31 10168
2022-06-30 10395
2022-09-30 11229
2022-12-31 12142
2023-03-31 8641
2023-06-30 10520
2023-09-30 10216