Quarterly Billions of US Dollars
1991-01-01 0.0590
1991-04-01 0.1880
1991-07-01 0.4570
1991-10-01 0.2720
1992-01-01 -0.1690
1992-04-01 0.7100
1992-07-01 -0.7990
1992-10-01 -0.0530
1993-01-01 -0.4840
1993-04-01 0.3640
1993-07-01 19.2980
1993-10-01 2.1083
1994-01-01 3.5457
1994-04-01 0.0913
1994-07-01 -0.0769
1994-10-01 -0.3806
1995-01-01 -1.2795
1995-04-01 2.4810
1995-07-01 6.2051
1995-10-01 6.5451
1996-01-01 1.2669
1996-04-01 5.5709
1996-07-01 1.9132
1996-10-01 7.2841
1997-01-01 0.6596
1997-04-01 7.3385
1997-07-01 5.8527
1997-10-01 2.6549
1998-01-01 2.2633
1998-04-01 -5.5491
1998-07-01 6.1260
1998-10-01 4.4633
1999-01-01 8.5850
1999-04-01 10.7586
1999-07-01 22.6755
1999-10-01 17.7952
2000-01-01 22.1018
2000-04-01 23.7626
2000-07-01 1.4415
2000-10-01 18.8962
2001-01-01 -14.1503
2001-04-01 -28.5073
2001-07-01 -15.9868
2001-10-01 -7.2945
2002-01-01 -9.3683
2002-04-01 8.4128
2002-07-01 0.7399
2002-10-01 -6.7142
2003-01-01 6.4015
2003-04-01 -9.2094
2003-07-01 -4.8765
2003-10-01 -2.9734
2004-01-01 27.7402
2004-04-01 5.8604
2004-07-01 -8.0118
2004-10-01 -0.5790
2005-01-01 5.4052
2005-04-01 -0.0077
2005-07-01 19.8720
2005-10-01 -10.7840
2006-01-01 11.4873
2006-04-01 6.7501
2006-07-01 0.0984
2006-10-01 15.2108
2007-01-01 15.4939
2007-04-01 32.9644
2007-07-01 53.7940
2007-10-01 60.3749
2008-01-01 50.8641
2008-04-01 44.5044
2008-07-01 -38.5018
2008-10-01 -76.4176
2009-01-01 -13.5798
2009-04-01 -47.6545
2009-07-01 7.3759
2009-10-01 -38.7414
2010-01-01 32.9363
2010-04-01 -6.0163
2010-07-01 30.1188
2010-10-01 -16.3794
2011-01-01 8.7260
2011-04-01 -8.1515
2011-07-01 -17.9901
2011-10-01 -14.8767
2012-01-01 81.3602
2012-04-01 5.4755
2012-07-01 -19.2299
2012-10-01 3.4736
2013-01-01 -3.9374
2013-04-01 15.5770
2013-07-01 -0.6876
2013-10-01 27.8546
2014-01-01 -27.9477
2014-04-01 19.4935
2014-07-01 15.7619
2014-10-01 -4.7600
2015-01-01 12.8504
2015-04-01 9.5472