Quarterly US dollars
1986-09-30 634
1986-12-31 496
1987-03-31 776
1987-06-30 942
1987-09-30 725
1987-12-31 970
1988-03-31 1114
1988-06-30 896
1988-09-30 727
1988-12-31 679
1989-03-31 622
1989-06-30 587
1989-09-30 633
1989-12-31 547
1990-03-31 570
1990-06-30 615
1990-09-30 674
1990-12-31 1221
1991-03-31 1153
1991-06-30 891
1991-09-30 751
1991-12-31 662
1992-03-31 657
1992-06-30 904
1992-09-30 798
1992-12-31 842
1993-03-31 527
1993-06-30 627
1993-09-30 546
1993-12-31 545
1994-03-31 481
1994-06-30 514
1994-09-30 470
1994-12-31 487
1995-03-31 436
1995-06-30 443
1995-09-30 620
1995-12-31 459
1996-03-31 540
1996-06-30 1062
1996-09-30 1655
1996-12-31 2064
1997-03-31 1630
1997-06-30 1106
1997-09-30 907
1997-12-31 666
1998-03-31 683
1998-06-30 1391
1998-09-30 1087
1998-12-31 909
1999-03-31 1019
1999-06-30 1280
1999-09-30 874
1999-12-31 1136
2000-03-31 1442
2000-06-30 1047
2000-09-30 1151
2000-12-31 1102
2001-03-31 2032
2001-06-30 1333
2001-09-30 1303
2001-12-31 993
2002-03-31 1222
2002-06-30 1752
2002-09-30 1544
2002-12-31 1256
2003-03-31 1178
2003-06-30 1874
2003-09-30 1380
2003-12-31 1399
2004-03-31 1770
2004-06-30 1499
2004-09-30 1340
2004-12-31 1665
2005-03-31 1620
2005-06-30 1971
2005-09-30 1773
2005-12-31 2648
2006-03-31 3576
2006-06-30 2807
2006-09-30 2999
2006-12-31 3625
2007-03-31 2865
2007-06-30 2320
2007-09-30 1981
2007-12-31 2178
2008-03-31 9711
2008-06-30 1780
2008-09-30 2071
2008-12-31 1964
2009-03-31 2668
2009-06-30 2398
2009-09-30 3248
2009-12-31 2290
2010-03-31 2374
2010-06-30 3367
2010-09-30 4021
2010-12-31 2510
2011-03-31 3750
2011-06-30 4362
2011-09-30 3886
2011-12-31 2945
2012-03-31 3065
2012-06-30 5490
2012-09-30 3287
2012-12-31 4059
2013-03-31 4025
2013-06-30 3037
2013-09-30 2424
2013-12-31 3701
2014-03-31 3942
2014-06-30 4720
2014-09-30 3175
2014-12-31 4541
2015-03-31 5590
2015-06-30 5583
2015-09-30 3089
2015-12-31 5084
2016-03-31 5282
2016-06-30 5252
2016-09-30 5719
2016-12-31 4404
2017-03-31 3241
2017-06-30 3816
2017-09-30 3064
2017-12-31 2820
2018-03-31 3344
2018-06-30 3673
2018-09-30 3602
2018-12-31 3553
2019-03-31 3964
2019-06-30 3234
2019-09-30 3552
2019-12-31 3876
2020-03-31 5642
2020-06-30 3170
2020-09-30 3248
2020-12-31 3551
2021-03-31 2776
2021-06-30 2844
2021-09-30 2646
2021-12-31 3102
2022-03-31 3391
2022-06-30 3457
2022-09-30 3502
2022-12-31 2979
2023-03-31 3101
2023-06-30 2963
2023-09-30 3649