Quarter	Billions of US Dollars
1995-07-01	0.25000
1995-10-01	0.02516
1996-01-01	0.15000
1996-07-01	0.27500
1997-04-01	0.50000
1998-10-01	-0.13755
1999-04-01	0.16951
2000-01-01	-0.01962
2000-07-01	-0.15000
2001-04-01	0.87500
2001-07-01	-0.07500
2004-01-01	0.77760
2004-04-01	-0.01783
2004-10-01	0.10028
2005-07-01	0.59715
2005-10-01	0.40000
2006-04-01	0.15379
2006-07-01	0.49985
2006-10-01	3.44529
2007-01-01	-0.39288
2007-04-01	0.95000
2007-07-01	3.82500
2007-10-01	2.78220
2008-01-01	1.54430
2008-04-01	0.46268
2008-07-01	1.86550
2009-04-01	-0.40455
2009-07-01	4.55176
2009-10-01	1.11370
2010-04-01	1.26570
2010-07-01	-0.67500
2010-10-01	2.49980
2011-01-01	-0.50000
2011-04-01	0.33525
2011-07-01	-0.69000
2011-10-01	1.32750
2012-01-01	1.91526
2012-04-01	-1.10000
2012-10-01	-0.52500
2013-01-01	1.35000
2013-04-01	-0.30000
2013-07-01	-0.37193
2013-10-01	-0.92328
2014-01-01	0.30000
2014-04-01	6.64982
2014-07-01	-2.46900
2014-10-01	1.84780
2015-01-01	0.04870
2015-04-01	0.89530