Quarterly Billions of US Dollars
1987-01-01 0.051
1987-04-01 0.591
1987-07-01 0.268
1987-10-01 0.667
1988-01-01 0.571
1988-04-01 1.798
1988-07-01 1.962
1988-10-01 1.358
1989-01-01 1.278
1989-04-01 0.794
1989-07-01 1.579
1989-10-01 2.151
1990-01-01 1.762
1990-04-01 1.316
1990-07-01 3.687
1990-10-01 3.013
1991-01-01 2.316
1991-04-01 4.025
1991-07-01 3.508
1991-10-01 1.564
1992-01-01 2.187
1992-04-01 1.520
1992-07-01 0.230
1992-10-01 0.684
1993-01-01 1.121
1993-04-01 3.174
1993-07-01 6.324
1993-10-01 6.475
1994-01-01 2.579
1994-04-01 3.698
1994-07-01 5.993
1994-10-01 0.110
1995-01-01 2.015
1995-04-01 2.761
1995-07-01 2.444
1995-10-01 3.923
1996-01-01 2.225
1996-04-01 3.258
1996-07-01 -1.100
1996-10-01 8.984
1997-01-01 5.806
1997-04-01 2.254
1997-07-01 5.207
1997-10-01 5.216
1998-01-01 8.244
1998-04-01 9.506
1998-07-01 2.462
1998-10-01 0.550
1999-01-01 23.376
1999-04-01 23.150
1999-07-01 14.457
1999-10-01 2.389
2000-01-01 12.555
2000-04-01 15.869
2000-07-01 7.465
2000-10-01 10.796
2001-01-01 10.142
2001-04-01 12.322
2001-07-01 10.064
2001-10-01 19.819
2002-01-01 9.509
2002-04-01 20.673
2002-07-01 16.958
2002-10-01 15.424
2003-01-01 25.526
2003-04-01 29.246
2003-07-01 29.136
2003-10-01 36.501
2004-01-01 34.308
2004-04-01 30.743
2004-07-01 35.880
2004-10-01 32.019
2005-01-01 37.157
2005-04-01 30.353
2005-07-01 33.306
2005-10-01 54.790
2006-01-01 33.758
2006-04-01 45.094
2006-07-01 56.737
2006-10-01 77.174
2007-01-01 79.753
2007-04-01 75.885
2007-07-01 -2.353
2007-10-01 8.054
2008-01-01 0.305
2008-04-01 56.554
2008-07-01 59.928
2008-10-01 118.206
2009-01-01 22.246
2009-04-01 2.712
2009-07-01 20.037
2009-10-01 4.264
2010-01-01 -11.628
2010-04-01 -25.857
2010-07-01 -8.699
2010-10-01 -23.164
2011-01-01 -2.018
2011-04-01 5.944
2011-07-01 -14.214
2011-10-01 33.105
2012-01-01 11.743
2012-04-01 -30.142
2012-07-01 10.555
2012-10-01 11.890
2013-01-01 -5.596
2013-04-01 8.632
2013-07-01 -1.042
2013-10-01 8.900
2014-01-01 -7.234
2014-04-01 4.765
2014-07-01 11.401
2014-10-01 7.526
2015-01-01 20.600
2015-04-01 3.361