Quarterly US dollars
1986-09-30 7758
1986-12-31 9041
1987-03-31 9068
1987-06-30 8769
1987-09-30 8307
1987-12-31 9289
1988-03-31 8142
1988-06-30 8114
1988-09-30 7409
1988-12-31 8185
1989-03-31 7617
1989-06-30 6947
1989-09-30 6634
1989-12-31 7818
1990-03-31 7306
1990-06-30 7668
1990-09-30 8678
1990-12-31 9306
1991-03-31 7590
1991-06-30 7279
1991-09-30 8430
1991-12-31 7326
1992-03-31 7595
1992-06-30 7128
1992-09-30 7408
1992-12-31 6834
1993-03-31 7386
1993-06-30 7212
1993-09-30 6773
1993-12-31 6367
1994-03-31 5517
1994-06-30 5818
1994-09-30 5761
1994-12-31 6454
1995-03-31 6659
1995-06-30 6612
1995-09-30 6911
1995-12-31 6432
1996-03-31 7186
1996-06-30 7477
1996-09-30 8258
1996-12-31 8569
1997-03-31 8839
1997-06-30 8953
1997-09-30 11907
1997-12-31 10945
1998-03-31 11002
1998-06-30 10716
1998-09-30 12268
1998-12-31 13355
1999-03-31 11821
1999-06-30 16825
1999-09-30 19314
1999-12-31 19654
2000-03-31 24275
2000-06-30 19229
2000-09-30 21009
2000-12-31 23422
2001-03-31 22425
2001-06-30 20936
2001-09-30 25608
2001-12-31 26791
2002-03-31 28087
2002-06-30 28306
2002-09-30 30294
2002-12-31 31478
2003-03-31 29399
2003-06-30 38095
2003-09-30 35921
2003-12-31 36987
2004-03-31 42123
2004-06-30 43599
2004-09-30 40821
2004-12-31 41219
2005-03-31 41417
2005-06-30 43559
2005-09-30 44347
2005-12-31 44392
2006-03-31 49434
2006-06-30 51022
2006-09-30 54751
2006-12-31 59482
2007-03-31 61301
2007-06-30 71235
2007-09-30 75894
2007-12-31 81245
2008-03-31 85700
2008-06-30 88197
2008-09-30 87252
2008-12-31 71491
2009-03-31 78159
2009-06-30 83272
2009-09-30 87024
2009-12-31 88323
2010-03-31 81794
2010-06-30 86369
2010-09-30 83182
2010-12-31 87277
2011-03-31 92274
2011-06-30 98490
2011-09-30 102364
2011-12-31 83512
2012-03-31 88916
2012-06-30 82023
2012-09-30 81904
2012-12-31 81628
2013-03-31 75029
2013-06-30 72651
2013-09-30 77109
2013-12-31 88736
2014-03-31 79350
2014-06-30 82579
2014-09-30 81562
2014-12-31 79716
2015-03-31 68740
2015-06-30 68226
2015-09-30 69575
2015-12-31 65039
2016-03-31 61797
2016-06-30 64133
2016-09-30 62985
2016-12-31 66771
2017-03-31 59166
2017-06-30 51286
2017-09-30 46555
2017-12-31 48211
2018-03-31 53531
2018-06-30 53735
2018-09-30 49831
2018-12-31 56972
2019-03-31 49203
2019-06-30 54333
2019-09-30 51825
2019-12-31 56593
2020-03-31 66219
2020-06-30 59100
2020-09-30 61472
2020-12-31 90318
2021-03-31 74544
2021-06-30 76283
2021-09-30 71898
2021-12-31 88314
2022-03-31 91024
2022-06-30 78793
2022-09-30 72991
2022-12-31 75819
2023-03-31 75384
2023-06-30 67038
2023-09-30 62263