Quarterly US dollars
1986-09-30 1434
1986-12-31 1656
1987-03-31 1518
1987-06-30 1642
1987-09-30 1762
1987-12-31 1513
1988-03-31 2148
1988-06-30 2510
1988-09-30 2423
1988-12-31 2290
1989-03-31 2075
1989-06-30 1920
1989-09-30 1950
1989-12-31 2303
1990-03-31 2419
1990-06-30 2628
1990-09-30 2727
1990-12-31 3573
1991-03-31 2623
1991-06-30 2667
1991-09-30 2544
1991-12-31 3529
1992-03-31 1908
1992-06-30 2951
1992-09-30 4333
1992-12-31 3733
1993-03-31 3206
1993-06-30 3584
1993-09-30 4027
1993-12-31 5545
1994-03-31 5642
1994-06-30 5211
1994-09-30 3618
1994-12-31 4034
1995-03-31 3151
1995-06-30 3082
1995-09-30 4949
1995-12-31 4624
1996-03-31 4619
1996-06-30 6064
1996-09-30 6460
1996-12-31 5374
1997-03-31 6288
1997-06-30 5495
1997-09-30 3804
1997-12-31 4675
1998-03-31 5054
1998-06-30 5923
1998-09-30 5293
1998-12-31 4601
1999-03-31 5696
1999-06-30 6018
1999-09-30 6880
1999-12-31 5065
2000-03-31 7167
2000-06-30 7640
2000-09-30 7199
2000-12-31 6854
2001-03-31 7204
2001-06-30 6699
2001-09-30 5774
2001-12-31 5413
2002-03-31 6026
2002-06-30 5853
2002-09-30 5183
2002-12-31 4078
2003-03-31 4616
2003-06-30 4269
2003-09-30 4747
2003-12-31 5066
2004-03-31 9003
2004-06-30 7830
2004-09-30 9080
2004-12-31 10445
2005-03-31 11629
2005-06-30 9802
2005-09-30 9385
2005-12-31 4274
2006-03-31 6885
2006-06-30 6802
2006-09-30 6847
2006-12-31 9569
2007-03-31 13084
2007-06-30 13537
2007-09-30 14650
2007-12-31 14655
2008-03-31 11892
2008-06-30 11615
2008-09-30 7987
2008-12-31 3547
2009-03-31 6002
2009-06-30 4943
2009-09-30 4606
2009-12-31 5430
2010-03-31 6635
2010-06-30 6756
2010-09-30 5494
2010-12-31 6027
2011-03-31 6520
2011-06-30 7544
2011-09-30 8087
2011-12-31 6357
2012-03-31 5836
2012-06-30 6444
2012-09-30 5630
2012-12-31 5475
2013-03-31 6234
2013-06-30 4963
2013-09-30 5579
2013-12-31 5081
2014-03-31 5118
2014-06-30 7352
2014-09-30 7260
2014-12-31 6336
2015-03-31 5735
2015-06-30 6283
2015-09-30 4458
2015-12-31 4679
2016-03-31 4630
2016-06-30 3598
2016-09-30 3909
2016-12-31 3572
2017-03-31 3660
2017-06-30 3973
2017-09-30 3837
2017-12-31 3647
2018-03-31 4186
2018-06-30 3052
2018-09-30 5225
2018-12-31 4158
2019-03-31 5029
2019-06-30 5843
2019-09-30 5194
2019-12-31 5053
2020-03-31 5271
2020-06-30 4338
2020-09-30 4904
2020-12-31 4569
2021-03-31 4790
2021-06-30 5874
2021-09-30 5914
2021-12-31 4989
2022-03-31 5863
2022-06-30 5181
2022-09-30 6775
2022-12-31 5143
2023-03-31 5797
2023-06-30 5676
2023-09-30 4914