Quarter	Billions of US Dollars
1994-10-01	0.025
1995-01-01	0.025
1995-10-01	0.005
1996-01-01	0.005
1996-04-01	0.010
2006-01-01	0.100
2006-04-01	0.100
2006-07-01	0.100
2006-10-01	0.220
2007-01-01	0.220
2007-04-01	0.220
2007-07-01	0.220
2007-10-01	0.220
2008-01-01	0.220
2008-04-01	0.220
2008-07-01	0.220
2008-10-01	0.220
2009-01-01	0.220
2009-04-01	0.220
2009-07-01	0.250
2009-10-01	0.607
2010-01-01	0.782
2010-04-01	0.982
2010-07-01	1.782
2010-10-01	2.732
2011-01-01	3.432
2011-04-01	3.432
2011-07-01	3.732
2011-10-01	3.732
2012-01-01	4.232
2012-04-01	4.582
2012-07-01	5.332
2012-10-01	5.732
2013-01-01	6.032
2013-04-01	6.882
2013-07-01	6.882
2013-10-01	6.882
2014-01-01	7.182
2014-04-01	7.182
2014-07-01	7.482
2014-10-01	7.375
2015-01-01	7.375
2015-04-01	7.375