Quarter	Billions of US Dollars
1995-04-01	0.0128
1996-04-01	0.0253
1996-07-01	-0.0268
1997-01-01	-0.0751
1997-04-01	0.0067
1997-07-01	0.0074
1998-04-01	-0.0010
1999-01-01	0.0224
1999-04-01	-0.0009
2000-04-01	-0.0021
2001-01-01	-0.0038
2001-04-01	-0.0012
2002-01-01	-0.0024
2002-04-01	0.0008
2002-10-01	0.0023
2003-04-01	-0.0010
2003-10-01	0.2146
2004-10-01	0.0756
2005-04-01	-0.0023
2006-07-01	6.5017
2006-10-01	-0.3082
2008-01-01	12.1537
2008-04-01	0.8058
2008-07-01	9.4697
2008-10-01	-0.7003
2009-01-01	2.2708
2009-04-01	-6.2197
2009-07-01	5.8097
2009-10-01	-7.4711
2010-01-01	4.1403
2010-04-01	-4.4429
2010-07-01	3.9709
2010-10-01	-2.7931
2011-01-01	-6.4131
2011-04-01	-0.0273
2011-07-01	2.7144
2011-10-01	6.9964
2012-01-01	1.9401
2012-04-01	-3.5278
2012-07-01	0.1966
2012-10-01	7.1071
2013-01-01	-6.0714
2013-04-01	3.3062
2013-07-01	2.7060
2013-10-01	-14.3659
2014-01-01	0.7350
2014-04-01	9.9390
2014-07-01	-1.0986
2014-10-01	-11.2011
2015-04-01	2.7816