Quarter	Billions of US Dollars
1993-07-01	0.1601
1993-10-01	12.3432
1994-01-01	3.2629
1994-04-01	41.9400
1994-07-01	7.2869
1994-10-01	7.1495
1995-01-01	5.1653
1995-04-01	2.5766
1995-07-01	6.0580
1995-10-01	4.0334
1996-01-01	7.1514
1996-04-01	5.3366
1996-07-01	10.5075
1996-10-01	7.2748
1997-01-01	15.1144
1997-04-01	13.4435
1997-07-01	6.3745
1997-10-01	2.8730
1998-01-01	8.7032
1998-04-01	16.4603
1998-07-01	7.7706
1998-10-01	-21.9733
1999-01-01	6.5908
1999-04-01	15.3387
1999-07-01	3.1711
1999-10-01	11.6478
2000-01-01	15.8115
2000-04-01	4.6613
2000-07-01	38.8820
2000-10-01	-0.3249
2001-01-01	10.4219
2001-04-01	-1.7631
2001-07-01	2.3523
2001-10-01	-3.0825
2002-01-01	8.0663
2002-04-01	-2.7234
2002-07-01	3.8861
2002-10-01	-0.9977
2003-01-01	-1.2902
2003-04-01	0.8535
2003-07-01	3.5265
2003-10-01	3.6038
2004-01-01	9.1739
2004-04-01	6.3006
2004-07-01	4.0032
2004-10-01	9.1046
2005-01-01	13.8672
2005-04-01	-15.7102
2005-07-01	-2.6201
2005-10-01	8.5848
2006-01-01	14.5797
2006-04-01	-19.8036
2006-07-01	4.6967
2006-10-01	6.1541
2007-01-01	6.5374
2007-04-01	0.5260
2007-07-01	-2.1758
2007-10-01	3.4785
2008-01-01	-7.2316
2008-04-01	12.1482
2008-07-01	-1.5446
2008-10-01	-7.9049
2009-01-01	8.2054
2009-04-01	8.9592
2009-07-01	9.2129
2009-10-01	21.2698
2010-01-01	11.9618
2010-04-01	14.9672
2010-07-01	14.1191
2010-10-01	12.3205
2011-01-01	10.9024
2011-04-01	9.8135
2011-07-01	11.9957
2011-10-01	11.5590
2012-01-01	19.4957
2012-04-01	26.9303
2012-07-01	11.9449
2012-10-01	19.2399
2013-01-01	1.5741
2013-04-01	6.5771
2013-07-01	20.6867
2013-10-01	32.1363
2014-01-01	0.8854
2014-04-01	10.3756
2014-07-01	14.7420
2014-10-01	9.2990
2015-01-01	17.4385
2015-04-01	3.6964