Quarterly US dollars
1986-09-30 730
1986-12-31 830
1987-03-31 684
1987-06-30 791
1987-09-30 914
1987-12-31 986
1988-03-31 894
1988-06-30 895
1988-09-30 840
1988-12-31 847
1989-03-31 872
1989-06-30 882
1989-09-30 1033
1989-12-31 1114
1990-03-31 991
1990-06-30 1043
1990-09-30 1026
1990-12-31 1384
1991-03-31 1195
1991-06-30 1068
1991-09-30 1112
1991-12-31 1299
1992-03-31 1162
1992-06-30 1192
1992-09-30 1269
1992-12-31 1191
1993-03-31 1031
1993-06-30 1021
1993-09-30 1046
1993-12-31 838
1994-03-31 714
1994-06-30 782
1994-09-30 815
1994-12-31 878
1995-03-31 852
1995-06-30 901
1995-09-30 814
1995-12-31 933
1996-03-31 969
1996-06-30 916
1996-09-30 945
1996-12-31 1170
1997-03-31 1268
1997-06-30 1476
1997-09-30 1465
1997-12-31 1758
1998-03-31 1604
1998-06-30 1255
1998-09-30 965
1998-12-31 1263
1999-03-31 1217
1999-06-30 1521
1999-09-30 1538
1999-12-31 1590
2000-03-31 1948
2000-06-30 1753
2000-09-30 2729
2000-12-31 2795
2001-03-31 2837
2001-06-30 3336
2001-09-30 3306
2001-12-31 2496
2002-03-31 2163
2002-06-30 2376
2002-09-30 2274
2002-12-31 2563
2003-03-31 2085
2003-06-30 1851
2003-09-30 1794
2003-12-31 2489
2004-03-31 1731
2004-06-30 1710
2004-09-30 1752
2004-12-31 2148
2005-03-31 2764
2005-06-30 2841
2005-09-30 3288
2005-12-31 3179
2006-03-31 4338
2006-06-30 4456
2006-09-30 4363
2006-12-31 4000
2007-03-31 4907
2007-06-30 5063
2007-09-30 4613
2007-12-31 4061
2008-03-31 4217
2008-06-30 3645
2008-09-30 4192
2008-12-31 2734
2009-03-31 1514
2009-06-30 1317
2009-09-30 1170
2009-12-31 1668
2010-03-31 1583
2010-06-30 1800
2010-09-30 2114
2010-12-31 1884
2011-03-31 2252
2011-06-30 2636
2011-09-30 3079
2011-12-31 2746
2012-03-31 3294
2012-06-30 3274
2012-09-30 3599
2012-12-31 3596
2013-03-31 3286
2013-06-30 2772
2013-09-30 3483
2013-12-31 3050
2014-03-31 2990
2014-06-30 2980
2014-09-30 2623
2014-12-31 2896
2015-03-31 3015
2015-06-30 1995
2015-09-30 2714
2015-12-31 2060
2016-03-31 2368
2016-06-30 2625
2016-09-30 2981
2016-12-31 3423
2017-03-31 4039
2017-06-30 2880
2017-09-30 3401
2017-12-31 2527
2018-03-31 4779
2018-06-30 4204
2018-09-30 3373
2018-12-31 3696
2019-03-31 3444
2019-06-30 2893
2019-09-30 3481
2019-12-31 4652
2020-03-31 4527
2020-06-30 6511
2020-09-30 5469
2020-12-31 6143
2021-03-31 7282
2021-06-30 5405
2021-09-30 6232
2021-12-31 4252
2022-03-31 4943
2022-06-30 4735
2022-09-30 4891
2022-12-31 5114
2023-03-31 5450
2023-06-30 5454
2023-09-30 5897