Quarterly Billions of US Dollars
1987-01-01 1.7040
1987-04-01 2.0530
1987-07-01 2.2980
1987-10-01 2.2840
1988-01-01 2.2060
1988-04-01 2.3380
1988-07-01 2.5340
1988-10-01 3.1270
1989-01-01 3.0200
1989-04-01 3.2390
1989-07-01 2.9190
1989-10-01 3.7640
1990-01-01 4.1360
1990-04-01 4.5620
1990-07-01 5.1060
1990-10-01 5.0150
1991-01-01 6.6730
1991-04-01 7.7700
1991-07-01 7.5380
1991-10-01 8.9520
1992-01-01 8.1350
1992-04-01 8.5300
1992-07-01 7.6720
1992-10-01 6.3540
1993-01-01 3.5520
1993-04-01 3.0950
1993-07-01 4.5069
1993-10-01 5.3316
1994-01-01 5.0268
1994-04-01 6.5263
1994-07-01 7.5513
1994-10-01 6.9329
1995-01-01 6.3314
1995-04-01 6.6790
1995-07-01 8.1294
1995-10-01 12.1711
1996-01-01 11.9865
1996-04-01 12.0712
1996-07-01 10.3299
1996-10-01 9.2815
1997-01-01 8.5212
1997-04-01 7.9854
1997-07-01 6.9314
1997-10-01 9.7088
1998-01-01 9.6442
1998-04-01 9.0669
1998-07-01 9.0779
1998-10-01 9.4785
1999-01-01 11.9738
1999-04-01 11.2364
1999-07-01 15.1279
1999-10-01 15.4527
2000-01-01 13.5218
2000-04-01 18.7130
2000-07-01 16.2646
2000-10-01 18.5764
2001-01-01 18.7091
2001-04-01 15.7159
2001-07-01 17.5638
2001-10-01 20.7543
2002-01-01 18.5194
2002-04-01 21.5260
2002-07-01 20.1159
2002-10-01 15.0257
2003-01-01 11.5446
2003-04-01 12.6299
2003-07-01 13.1224
2003-10-01 15.3106
2004-01-01 18.4673
2004-04-01 19.4999
2004-07-01 19.6275
2004-10-01 19.3641
2005-01-01 17.4122
2005-04-01 16.2128
2005-07-01 16.6536
2005-10-01 16.6147
2006-01-01 16.0501
2006-04-01 26.9510
2006-07-01 20.2268
2006-10-01 25.7906
2007-01-01 34.6497
2007-04-01 38.0294
2007-07-01 46.9360
2007-10-01 53.4818
2008-01-01 64.2307
2008-04-01 75.3086
2008-07-01 72.6504
2008-10-01 52.7881
2009-01-01 54.5262
2009-04-01 55.9853
2009-07-01 58.0681
2009-10-01 45.2458
2010-01-01 44.5194
2010-04-01 37.6797
2010-07-01 60.8774
2010-10-01 40.1635
2011-01-01 43.7464
2011-04-01 42.8275
2011-07-01 28.3768
2011-10-01 20.6397
2012-01-01 23.9082
2012-04-01 15.0878
2012-07-01 15.1901
2012-10-01 19.1881
2013-01-01 20.3165
2013-04-01 17.4015
2013-07-01 19.7036
2013-10-01 11.1883
2014-01-01 13.4069
2014-04-01 13.2157
2014-07-01 14.1191
2014-10-01 11.5101
2015-01-01 8.0333
2015-04-01 8.6985