Quarterly Billions of US Dollars
1987-01-01 0.5238
1987-04-01 0.5198
1987-07-01 0.5187
1987-10-01 0.5881
1988-01-01 0.5109
1988-04-01 0.4087
1988-07-01 0.3996
1988-10-01 0.4173
1989-01-01 0.4483
1989-04-01 0.4459
1989-07-01 0.4304
1989-10-01 0.2802
1990-01-01 0.2827
1990-04-01 0.2969
1990-07-01 0.2755
1990-10-01 0.3253
1991-01-01 0.2712
1991-04-01 0.3732
1991-07-01 0.3146
1991-10-01 0.4578
1992-01-01 0.3643
1992-04-01 0.4052
1992-07-01 0.4400
1992-10-01 1.1110
1993-01-01 0.7956
1993-04-01 0.8082
1993-07-01 0.7522
1993-10-01 0.6948
1994-01-01 0.7347
1994-04-01 1.0288
1994-07-01 1.0935
1994-10-01 1.0546
1995-01-01 1.3100
1995-04-01 1.3453
1995-07-01 1.7758
1995-10-01 1.6355
1996-01-01 1.7899
1996-04-01 2.1197
1996-07-01 1.7625
1996-10-01 1.0055
1997-01-01 0.9498
1997-04-01 0.9427
1997-07-01 1.0995
1997-10-01 1.1852
1998-01-01 1.1651
1998-04-01 1.1649
1998-07-01 1.5702
1998-10-01 1.5739
1999-01-01 1.5816
1999-04-01 1.4657
1999-07-01 2.4235
1999-10-01 2.0844
2000-01-01 2.7253
2000-04-01 2.7337
2000-07-01 2.2867
2000-10-01 2.8597
2001-01-01 2.8118
2001-04-01 2.8510
2001-07-01 3.6862
2001-10-01 3.0391
2002-01-01 2.7045
2002-04-01 3.2879
2002-07-01 3.2599
2002-10-01 3.4683
2003-01-01 3.5761
2003-04-01 3.6561
2003-07-01 3.4132
2003-10-01 4.2995
2004-01-01 5.2034
2004-04-01 4.7369
2004-07-01 5.1607
2004-10-01 5.1309
2005-01-01 5.4173
2005-04-01 5.5402
2005-07-01 6.3364
2005-10-01 5.5308
2006-01-01 9.2607
2006-04-01 10.1436
2006-07-01 12.7792
2006-10-01 14.4330
2007-01-01 19.8862
2007-04-01 26.7426
2007-07-01 29.6140
2007-10-01 36.9778
2008-01-01 36.1759
2008-04-01 42.3630
2008-07-01 35.1039
2008-10-01 33.6552
2009-01-01 31.4065
2009-04-01 38.1576
2009-07-01 36.6582
2009-10-01 35.8283
2010-01-01 33.2732
2010-04-01 25.1996
2010-07-01 27.3861
2010-10-01 23.8947
2011-01-01 25.0825
2011-04-01 22.9611
2011-07-01 20.7567
2011-10-01 19.9681
2012-01-01 16.7834
2012-04-01 13.0727
2012-07-01 14.4095
2012-10-01 14.5640
2013-01-01 15.6669
2013-04-01 16.0723
2013-07-01 18.2879
2013-10-01 20.4789
2014-01-01 22.5676
2014-04-01 21.0446
2014-07-01 19.6397
2014-10-01 20.5084
2015-01-01 20.0407
2015-04-01 21.1871