Quarterly US dollars
1986-09-30 2430
1986-12-31 2589
1987-03-31 2636
1987-06-30 2659
1987-09-30 2795
1987-12-31 3003
1988-03-31 2813
1988-06-30 2725
1988-09-30 2638
1988-12-31 2684
1989-03-31 2571
1989-06-30 2611
1989-09-30 2654
1989-12-31 2647
1990-03-31 2506
1990-06-30 2254
1990-09-30 2150
1990-12-31 2004
1991-03-31 1839
1991-06-30 1823
1991-09-30 1821
1991-12-31 1696
1992-03-31 1637
1992-06-30 1571
1992-09-30 1477
1992-12-31 1271
1993-03-31 1181
1993-06-30 1194
1993-09-30 1049
1993-12-31 1012
1994-03-31 949
1994-06-30 933
1994-09-30 1075
1994-12-31 1049
1995-03-31 1082
1995-06-30 1069
1995-09-30 1013
1995-12-31 1150
1996-03-31 1278
1996-06-30 1358
1996-09-30 1706
1996-12-31 2015
1997-03-31 2457
1997-06-30 2576
1997-09-30 2870
1997-12-31 2934
1998-03-31 3103
1998-06-30 3513
1998-09-30 2893
1998-12-31 2912
1999-03-31 2572
1999-06-30 2605
1999-09-30 2947
1999-12-31 2940
2000-03-31 3110
2000-06-30 3011
2000-09-30 3313
2000-12-31 3640
2001-03-31 2793
2001-06-30 3070
2001-09-30 3218
2001-12-31 3113
2002-03-31 3064
2002-06-30 2982
2002-09-30 3543
2002-12-31 3870
2003-03-31 3382
2003-06-30 2930
2003-09-30 3487
2003-12-31 3747
2004-03-31 4443
2004-06-30 4218
2004-09-30 4602
2004-12-31 4374
2005-03-31 4108
2005-06-30 4972
2005-09-30 4981
2005-12-31 4355
2006-03-31 4441
2006-06-30 4320
2006-09-30 3667
2006-12-31 5197
2007-03-31 5656
2007-06-30 6945
2007-09-30 7360
2007-12-31 6938
2008-03-31 7775
2008-06-30 7210
2008-09-30 8122
2008-12-31 7111
2009-03-31 5778
2009-06-30 6112
2009-09-30 6517
2009-12-31 7521
2010-03-31 6525
2010-06-30 7019
2010-09-30 7639
2010-12-31 6035
2011-03-31 5391
2011-06-30 5837
2011-09-30 5591
2011-12-31 5825
2012-03-31 4211
2012-06-30 6044
2012-09-30 4748
2012-12-31 3677
2013-03-31 4501
2013-06-30 3748
2013-09-30 3824
2013-12-31 3946
2014-03-31 4683
2014-06-30 3854
2014-09-30 4207
2014-12-31 4119
2015-03-31 5070
2015-06-30 4768
2015-09-30 4096
2015-12-31 3390
2016-03-31 3142
2016-06-30 3638
2016-09-30 3620
2016-12-31 2985
2017-03-31 2964
2017-06-30 3275
2017-09-30 3610
2017-12-31 3731
2018-03-31 3007
2018-06-30 2844
2018-09-30 2430
2018-12-31 2690
2019-03-31 2547
2019-06-30 2660
2019-09-30 3114
2019-12-31 2904
2020-03-31 2811
2020-06-30 2259
2020-09-30 2196
2020-12-31 2005
2021-03-31 1714
2021-06-30 1643
2021-09-30 1574
2021-12-31 1396
2022-03-31 1428
2022-06-30 1635
2022-09-30 1617
2022-12-31 1720
2023-03-31 2108
2023-06-30 2554
2023-09-30 3088