Quarter	Billions of US Dollars
1996-07-01	0.11000
1996-10-01	0.38650
1997-01-01	0.38650
1997-04-01	0.71150
1997-07-01	0.71150
1997-10-01	1.01150
1998-01-01	1.03500
1998-04-01	1.03500
1998-07-01	1.03500
1998-10-01	1.04000
1999-01-01	1.04000
1999-04-01	1.10000
1999-07-01	1.11500
1999-10-01	1.01500
2000-01-01	1.01500
2000-04-01	1.18000
2000-07-01	1.18000
2000-10-01	1.18000
2001-01-01	1.23000
2001-04-01	1.23000
2001-07-01	1.34000
2001-10-01	1.25000
2002-01-01	1.25000
2002-04-01	0.91500
2002-07-01	1.03000
2002-10-01	0.94000
2003-01-01	0.94000
2003-04-01	0.82500
2003-07-01	0.88500
2003-10-01	0.91000
2004-01-01	0.93985
2004-04-01	0.86485
2004-07-01	0.86485
2004-10-01	0.86485
2005-01-01	0.81485
2005-04-01	0.81485
2005-07-01	0.90485
2005-10-01	1.15000
2006-01-01	1.15000
2006-04-01	1.08116
2006-07-01	1.02116
2006-10-01	0.92116
2007-01-01	0.87116
2007-04-01	0.87116
2007-07-01	0.72116
2007-10-01	0.66116
2008-01-01	0.66116
2008-04-01	0.66116
2008-07-01	0.60116
2008-10-01	0.60116
2009-01-01	0.60116
2009-04-01	0.60116
2009-07-01	0.60116
2009-10-01	0.60116
2010-01-01	0.60116
2010-04-01	0.50116
2010-07-01	0.33116
2010-10-01	0.33116
2011-01-01	0.33116
2011-04-01	0.63116
2011-07-01	0.63116
2011-10-01	0.33116
2012-01-01	0.33116
2012-04-01	0.30000
2012-07-01	0.30000
2012-10-01	0.50000
2013-01-01	0.50000
2013-04-01	0.50000
2013-07-01	0.50000
2013-10-01	0.50000
2014-01-01	0.50000
2014-04-01	0.50000
2014-07-01	0.50000
2014-10-01	0.50000
2015-01-01	0.50000
2015-04-01	0.50000