Quarterly Billions of US Dollars
1989-07-01 0.561
1989-10-01 0.460
1990-01-01 0.753
1990-04-01 0.931
1990-07-01 2.484
1990-10-01 2.017
1991-01-01 2.947
1991-04-01 2.927
1991-07-01 2.647
1991-10-01 2.321
1992-01-01 3.205
1992-04-01 3.258
1992-07-01 2.969
1992-10-01 1.760
1993-01-01 2.873
1993-04-01 3.750
1993-07-01 3.981
1993-10-01 5.157
1994-01-01 5.667
1994-04-01 5.278
1994-07-01 5.162
1994-10-01 6.081
1995-01-01 6.347
1995-04-01 6.114
1995-07-01 7.599
1995-10-01 8.724
1996-01-01 9.964
1996-04-01 9.612
1996-07-01 8.428
1996-10-01 8.905
1997-01-01 10.779
1997-04-01 10.614
1997-07-01 10.739
1997-10-01 13.638
1998-01-01 14.780
1998-04-01 14.974
1998-07-01 16.426
1998-10-01 16.832
1999-01-01 17.063
1999-04-01 20.000
1999-07-01 22.929
1999-10-01 26.322
2000-01-01 27.766
2000-04-01 28.329
2000-07-01 29.156
2000-10-01 36.792
2001-01-01 37.505
2001-04-01 40.663
2001-07-01 37.345
2001-10-01 38.905
2002-01-01 41.147
2002-04-01 51.714
2002-07-01 52.994
2002-10-01 53.477
2003-01-01 60.451
2003-04-01 67.194
2003-07-01 64.209
2003-10-01 76.474
2004-01-01 79.319
2004-04-01 83.315
2004-07-01 84.478
2004-10-01 98.772
2005-01-01 99.775
2005-04-01 108.019
2005-07-01 114.228
2005-10-01 116.313
2006-01-01 128.834
2006-04-01 132.273
2006-07-01 133.010
2006-10-01 146.594
2007-01-01 160.510
2007-04-01 167.879
2007-07-01 147.966
2007-10-01 152.107
2008-01-01 170.383
2008-04-01 186.735
2008-07-01 136.194
2008-10-01 146.176
2009-01-01 136.617
2009-04-01 137.956
2009-07-01 125.823
2009-10-01 97.200
2010-01-01 97.559
2010-04-01 90.045
2010-07-01 107.140
2010-10-01 121.833
2011-01-01 144.191
2011-04-01 153.322
2011-07-01 144.702
2011-10-01 146.797
2012-01-01 170.277
2012-04-01 154.536
2012-07-01 148.957
2012-10-01 144.856
2013-01-01 153.409
2013-04-01 157.825
2013-07-01 161.687
2013-10-01 161.045
2014-01-01 159.238
2014-04-01 169.918
2014-07-01 163.865
2014-10-01 160.949
2015-01-01 155.431
2015-04-01 156.006