Quarterly Billions of US Dollars
1987-01-01 0.8170
1987-04-01 0.8242
1987-07-01 0.7733
1987-10-01 1.0030
1988-01-01 0.9016
1988-04-01 0.8862
1988-07-01 1.0114
1988-10-01 1.0667
1989-01-01 1.0634
1989-04-01 1.1410
1989-07-01 1.1661
1989-10-01 1.2508
1990-01-01 1.2437
1990-04-01 1.2703
1990-07-01 1.3302
1990-10-01 1.3552
1991-01-01 1.5084
1991-04-01 1.4596
1991-07-01 1.4453
1991-10-01 1.5259
1992-01-01 1.4211
1992-04-01 1.5287
1992-07-01 1.6042
1992-10-01 1.3102
1993-01-01 1.1530
1993-04-01 1.0499
1993-07-01 3.1977
1993-10-01 3.1516
1994-01-01 3.3527
1994-04-01 3.3465
1994-07-01 3.3963
1994-10-01 3.2105
1995-01-01 3.2902
1995-04-01 3.2906
1995-07-01 3.2048
1995-10-01 3.1711
1996-01-01 3.2984
1996-04-01 3.1754
1996-07-01 3.1697
1996-10-01 3.0601
1997-01-01 2.9635
1997-04-01 3.1247
1997-07-01 3.1556
1997-10-01 3.1408
1998-01-01 3.1359
1998-04-01 3.1190
1998-07-01 3.1307
1998-10-01 3.1710
1999-01-01 3.2572
1999-04-01 3.2553
1999-07-01 3.2994
1999-10-01 3.1207
2000-01-01 3.1139
2000-04-01 3.0398
2000-07-01 3.0354
2000-10-01 3.0241
2001-01-01 2.8500
2001-04-01 2.8500
2001-07-01 2.8500
2001-10-01 2.8500
2002-01-01 2.8500
2002-04-01 2.8500
2002-07-01 2.6000
2002-10-01 2.6000
2003-01-01 2.4500
2003-04-01 2.4500
2003-07-01 2.4500
2003-10-01 2.7500
2004-01-01 3.0500
2004-04-01 2.8000
2004-07-01 3.3500
2004-10-01 4.0000
2005-01-01 4.0000
2005-04-01 4.0250
2005-07-01 4.1454
2005-10-01 5.0530
2006-01-01 5.2660
2006-04-01 5.2827
2006-07-01 6.0228
2006-10-01 7.5517
2007-01-01 12.0402
2007-04-01 14.4475
2007-07-01 14.2535
2007-10-01 16.2810
2008-01-01 16.6265
2008-04-01 16.6541
2008-07-01 16.5235
2008-10-01 16.1958
2009-01-01 14.9536
2009-04-01 15.1294
2009-07-01 14.8058
2009-10-01 15.7190
2010-01-01 16.0772
2010-04-01 15.7493
2010-07-01 16.6621
2010-10-01 18.4416
2011-01-01 21.2158
2011-04-01 24.5733
2011-07-01 24.4634
2011-10-01 22.5271
2012-01-01 25.1878
2012-04-01 25.4208
2012-07-01 28.4766
2012-10-01 28.4088
2013-01-01 29.1468
2013-04-01 31.5868
2013-07-01 32.3499
2013-10-01 34.2351
2014-01-01 35.3272
2014-04-01 38.5455
2014-07-01 39.3501
2014-10-01 39.9494
2015-01-01 39.4967
2015-04-01 41.1125