Quarter	Billions of US Dollars
1996-10-01	0.07500
1997-01-01	0.07500
1997-04-01	0.07500
1997-07-01	0.07500
1997-10-01	0.07012
1998-01-01	0.07012
1998-04-01	0.07012
1998-07-01	0.07012
1998-10-01	0.07012
1999-01-01	0.07012
1999-04-01	0.07012
1999-07-01	0.07012
2005-07-01	0.50000
2005-10-01	0.50000
2006-01-01	0.50000
2006-04-01	0.50000
2006-07-01	0.65000
2006-10-01	0.85000
2007-01-01	0.85000
2007-04-01	0.97500
2007-07-01	0.97500
2007-10-01	0.97500
2008-01-01	0.97500
2008-04-01	0.97500
2008-07-01	0.97500
2008-10-01	0.97500
2009-01-01	0.96071
2009-04-01	0.96071
2009-07-01	0.94643
2009-10-01	0.94643
2010-01-01	0.93214
2010-04-01	0.93214
2010-07-01	0.91786
2010-10-01	0.91786
2011-01-01	0.90357
2011-04-01	0.90357
2011-07-01	0.88929
2011-10-01	1.46336
2012-01-01	1.71336
2012-04-01	1.71336
2012-07-01	1.24907
2012-10-01	1.24907
2013-01-01	2.54907
2013-04-01	2.54907
2013-07-01	2.52050
2013-10-01	2.52050
2014-01-01	2.50622
2014-04-01	2.50622
2014-07-01	2.49193
2014-10-01	2.49193
2015-01-01	3.41693
2015-04-01	3.41693