Quarterly Billions of US Dollars
1987-01-01 0.0580
1987-04-01 0.0970
1987-07-01 0.2440
1987-10-01 0.3170
1988-01-01 0.5930
1988-04-01 0.2130
1988-07-01 0.2420
1988-10-01 0.2940
1989-01-01 0.1570
1989-04-01 0.1410
1989-07-01 0.2260
1989-10-01 0.3300
1990-01-01 0.3510
1990-04-01 1.2130
1990-07-01 2.7520
1990-10-01 4.0650
1991-01-01 2.9490
1991-04-01 1.9610
1991-07-01 2.5210
1991-10-01 2.0010
1992-01-01 2.7470
1992-04-01 3.2510
1992-07-01 2.9480
1992-10-01 2.4550
1993-01-01 2.2420
1993-04-01 2.5310
1993-07-01 1.5587
1993-10-01 1.7874
1994-01-01 2.3243
1994-04-01 2.8015
1994-07-01 2.8629
1994-10-01 1.8139
1995-01-01 2.0649
1995-04-01 2.7496
1995-07-01 3.5867
1995-10-01 3.8874
1996-01-01 4.4736
1996-04-01 7.0439
1996-07-01 7.1701
1996-10-01 8.7112
1997-01-01 9.4340
1997-04-01 9.9299
1997-07-01 9.8054
1997-10-01 9.9375
1998-01-01 12.5759
1998-04-01 11.7925
1998-07-01 8.6658
1998-10-01 10.5336
1999-01-01 9.0963
1999-04-01 9.3608
1999-07-01 11.1030
1999-10-01 11.7345
2000-01-01 9.6801
2000-04-01 11.7657
2000-07-01 13.2564
2000-10-01 16.2344
2001-01-01 16.2398
2001-04-01 18.9017
2001-07-01 20.9350
2001-10-01 22.1208
2002-01-01 21.7876
2002-04-01 26.4717
2002-07-01 18.2127
2002-10-01 17.4612
2003-01-01 13.0685
2003-04-01 10.7493
2003-07-01 13.4812
2003-10-01 22.4876
2004-01-01 19.7855
2004-04-01 18.6668
2004-07-01 16.4344
2004-10-01 21.6221
2005-01-01 23.3558
2005-04-01 19.8473
2005-07-01 17.2573
2005-10-01 19.5600
2006-01-01 23.0077
2006-04-01 25.6522
2006-07-01 27.1813
2006-10-01 28.8499
2007-01-01 32.3899
2007-04-01 33.4867
2007-07-01 36.5198
2007-10-01 30.8411
2008-01-01 30.6133
2008-04-01 40.3612
2008-07-01 38.0219
2008-10-01 27.4286
2009-01-01 27.5458
2009-04-01 29.2434
2009-07-01 28.8821
2009-10-01 26.3836
2010-01-01 29.1699
2010-04-01 28.1903
2010-07-01 31.6280
2010-10-01 26.1188
2011-01-01 27.5617
2011-04-01 31.7745
2011-07-01 24.7971
2011-10-01 21.3081
2012-01-01 32.3954
2012-04-01 29.5864
2012-07-01 29.6839
2012-10-01 26.7887
2013-01-01 28.2540
2013-04-01 31.3032
2013-07-01 34.6934
2013-10-01 33.7352
2014-01-01 39.5828
2014-04-01 40.3945
2014-07-01 37.8484
2014-10-01 35.9415
2015-01-01 35.8470
2015-04-01 35.2561