Quarter	Billions of US Dollars
1995-10-01	0.06250
1998-01-01	0.20000
1998-04-01	0.86446
1998-07-01	-0.08815
1999-04-01	0.41220
1999-07-01	0.10189
2000-04-01	0.48421
2000-07-01	0.10098
2000-10-01	-0.05919
2001-04-01	0.09762
2002-10-01	-0.25541
2003-04-01	-0.30568
2003-07-01	-0.09314
2003-10-01	0.28686
2004-04-01	0.59672
2005-04-01	-0.94421
2006-01-01	1.20195
2007-04-01	1.34814
2009-04-01	2.72044
2010-04-01	1.41295
2011-01-01	1.70311
2011-04-01	1.44456
2012-04-01	3.54964
2013-04-01	2.22014
2014-01-01	0.56203
2014-04-01	-1.37117
2014-10-01	-0.72070
2015-01-01	-1.60233