Quarter	Billions of US Dollars
2002-01-01	0.140
2004-04-01	0.100
2006-07-01	0.125
2009-07-01	-0.075
2010-04-01	-0.140
2010-07-01	0.020
2011-07-01	-0.150
2012-07-01	-0.020
2015-04-01	0.300