Quarterly US dollars
1986-09-30 18120
1986-12-31 17765
1987-03-31 17065
1987-06-30 18268
1987-09-30 17614
1987-12-31 18704
1988-03-31 19912
1988-06-30 20510
1988-09-30 22421
1988-12-31 24450
1989-03-31 25210
1989-06-30 27077
1989-09-30 24988
1989-12-31 25468
1990-03-31 23993
1990-06-30 23417
1990-09-30 26884
1990-12-31 31316
1991-03-31 31318
1991-06-30 32974
1991-09-30 33457
1991-12-31 31380
1992-03-31 29396
1992-06-30 30015
1992-09-30 24941
1992-12-31 23241
1993-03-31 21705
1993-06-30 22701
1993-09-30 22685
1993-12-31 24075
1994-03-31 24682
1994-06-30 24409
1994-09-30 22828
1994-12-31 21521
1995-03-31 24848
1995-06-30 24625
1995-09-30 19153
1995-12-31 21172
1996-03-31 25438
1996-06-30 24516
1996-09-30 21270
1996-12-31 23738
1997-03-31 21657
1997-06-30 21909
1997-09-30 20689
1997-12-31 20814
1998-03-31 21878
1998-06-30 19557
1998-09-30 29543
1998-12-31 28592
1999-03-31 19325
1999-06-30 15768
1999-09-30 17809
1999-12-31 18103
2000-03-31 17529
2000-06-30 17477
2000-09-30 21028
2000-12-31 24785
2001-03-31 28798
2001-06-30 27827
2001-09-30 24091
2001-12-31 18472
2002-03-31 15639
2002-06-30 15900
2002-09-30 17678
2002-12-31 20448
2003-03-31 26672
2003-06-30 16725
2003-09-30 18325
2003-12-31 20278
2004-03-31 27615
2004-06-30 28238
2004-09-30 40434
2004-12-31 25866
2005-03-31 23085
2005-06-30 30086
2005-09-30 36680
2005-12-31 36365
2006-03-31 37333
2006-06-30 36560
2006-09-30 45132
2006-12-31 50811
2007-03-31 48191
2007-06-30 42980
2007-09-30 59142
2007-12-31 97655
2008-03-31 107080
2008-06-30 92702
2008-09-30 101419
2008-12-31 95897
2009-03-31 74507
2009-06-30 70807
2009-09-30 77000
2009-12-31 80930
2010-03-31 72133
2010-06-30 67748
2010-09-30 61123
2010-12-31 66767
2011-03-31 71115
2011-06-30 80905
2011-09-30 92596
2011-12-31 93824
2012-03-31 111959
2012-06-30 120189
2012-09-30 98833
2012-12-31 95763
2013-03-31 93632
2013-06-30 84427
2013-09-30 92600
2013-12-31 103043
2014-03-31 103962
2014-06-30 97038
2014-09-30 98739
2014-12-31 87762
2015-03-31 82660
2015-06-30 91575
2015-09-30 101461
2015-12-31 97249
2016-03-31 89532
2016-06-30 90487
2016-09-30 81278
2016-12-31 81471
2017-03-31 91352
2017-06-30 100470
2017-09-30 94429
2017-12-31 95278
2018-03-31 100060
2018-06-30 92524
2018-09-30 90058
2018-12-31 87360
2019-03-31 88329
2019-06-30 108422
2019-09-30 103033
2019-12-31 105396
2020-03-31 109963
2020-06-30 88959
2020-09-30 88909
2020-12-31 79360
2021-03-31 77415
2021-06-30 72115
2021-09-30 76677
2021-12-31 69122
2022-03-31 81170
2022-06-30 90480
2022-09-30 92830
2022-12-31 76903
2023-03-31 79584
2023-06-30 99607
2023-09-30 83149