Quarterly US dollars
1986-09-30 3060
1986-12-31 3010
1987-03-31 2740
1987-06-30 3497
1987-09-30 3971
1987-12-31 4134
1988-03-31 4193
1988-06-30 4253
1988-09-30 4385
1988-12-31 4341
1989-03-31 4569
1989-06-30 4288
1989-09-30 4029
1989-12-31 3748
1990-03-31 3946
1990-06-30 4143
1990-09-30 4451
1990-12-31 4032
1991-03-31 3848
1991-06-30 3672
1991-09-30 3847
1991-12-31 4338
1992-03-31 4069
1992-06-30 4307
1992-09-30 3660
1992-12-31 3353
1993-03-31 3411
1993-06-30 3510
1993-09-30 2947
1993-12-31 2444
1994-03-31 2168
1994-06-30 2951
1994-09-30 2930
1994-12-31 2063
1995-03-31 1995
1995-06-30 1945
1995-09-30 2456
1995-12-31 1797
1996-03-31 2667
1996-06-30 2576
1996-09-30 2832
1996-12-31 2503
1997-03-31 3086
1997-06-30 2850
1997-09-30 2385
1997-12-31 2722
1998-03-31 3298
1998-06-30 2970
1998-09-30 2844
1998-12-31 3250
1999-03-31 4606
1999-06-30 3984
1999-09-30 3963
1999-12-31 6544
2000-03-31 4101
2000-06-30 5758
2000-09-30 8354
2000-12-31 9055
2001-03-31 8944
2001-06-30 7350
2001-09-30 8622
2001-12-31 6723
2002-03-31 5738
2002-06-30 6212
2002-09-30 8797
2002-12-31 10521
2003-03-31 15585
2003-06-30 17931
2003-09-30 19861
2003-12-31 20821
2004-03-31 19540
2004-06-30 24950
2004-09-30 21794
2004-12-31 22218
2005-03-31 30053
2005-06-30 24543
2005-09-30 36923
2005-12-31 45867
2006-03-31 39329
2006-06-30 55213
2006-09-30 47867
2006-12-31 56719
2007-03-31 62917
2007-06-30 67027
2007-09-30 67007
2007-12-31 65471
2008-03-31 59922
2008-06-30 54580
2008-09-30 44824
2008-12-31 36820
2009-03-31 33837
2009-06-30 19394
2009-09-30 23311
2009-12-31 23876
2010-03-31 26480
2010-06-30 24231
2010-09-30 25237
2010-12-31 25615
2011-03-31 32880
2011-06-30 27490
2011-09-30 27831
2011-12-31 20246
2012-03-31 24926
2012-06-30 23769
2012-09-30 19282
2012-12-31 19658
2013-03-31 23848
2013-06-30 19967
2013-09-30 23220
2013-12-31 21125
2014-03-31 19344
2014-06-30 20458
2014-09-30 16798
2014-12-31 24724
2015-03-31 19234
2015-06-30 28348
2015-09-30 27212
2015-12-31 25033
2016-03-31 25481
2016-06-30 26002
2016-09-30 27683
2016-12-31 26667
2017-03-31 32913
2017-06-30 30771
2017-09-30 33347
2017-12-31 39192
2018-03-31 36714
2018-06-30 30403
2018-09-30 29959
2018-12-31 33100
2019-03-31 30168
2019-06-30 31218
2019-09-30 28394
2019-12-31 30343
2020-03-31 33392
2020-06-30 33414
2020-09-30 28989
2020-12-31 28981
2021-03-31 29429
2021-06-30 28237
2021-09-30 28098
2021-12-31 31777
2022-03-31 30110
2022-06-30 27921
2022-09-30 35670
2022-12-31 36564
2023-03-31 35058
2023-06-30 33901
2023-09-30 36878