Quarter	Billions of US Dollars
1993-07-01	0.01000
1993-10-01	0.01000
1994-01-01	0.01000
1994-04-01	0.01000
1994-07-01	0.01000
1994-10-01	0.20074
1995-01-01	5.96643
1995-04-01	5.96643
1995-07-01	5.96643
1995-10-01	5.96643
1996-01-01	5.96643
1996-04-01	5.96643
1996-07-01	5.96643
1996-10-01	5.96643
1997-01-01	5.96643
1997-04-01	6.46643
1997-07-01	6.46643
1997-10-01	6.46643
1998-01-01	6.46643
1998-04-01	6.46643
1998-07-01	6.46643
1998-10-01	6.19728
1999-01-01	6.19728
1999-04-01	6.19728
1999-07-01	6.19728
1999-10-01	6.19728
2000-01-01	6.17468
2000-04-01	6.17468
2000-07-01	9.92468
2000-10-01	9.92468
2001-01-01	9.45242
2001-04-01	6.30960
2001-07-01	6.30960
2001-10-01	6.30960
2002-01-01	6.30960
2002-04-01	6.28186
2002-07-01	6.28186
2002-10-01	6.27875
2003-01-01	6.27875
2003-04-01	6.27719
2003-07-01	6.27719
2003-10-01	6.27719
2004-01-01	6.27719
2004-04-01	6.27719
2004-07-01	6.27719
2004-10-01	6.27486
2005-01-01	6.46202
2005-04-01	6.46202
2005-07-01	6.46202
2005-10-01	7.11202
2006-01-01	7.11202
2006-04-01	6.37202
2006-07-01	6.37202
2006-10-01	6.37202
2007-01-01	6.37202
2007-04-01	6.37202
2007-07-01	6.37202
2007-10-01	6.37202
2008-01-01	6.37202
2008-04-01	6.37202
2008-07-01	6.37202
2008-10-01	6.37202
2009-01-01	6.34023
2009-04-01	3.43192
2009-07-01	3.30120
2009-10-01	3.30120
2010-01-01	3.17049
2010-04-01	3.09932
2010-07-01	2.96860
2010-10-01	2.96860
2011-01-01	2.96860
2011-04-01	2.96860
2011-07-01	2.31908
2011-10-01	2.31908
2012-01-01	2.13697
2012-04-01	2.13697
2012-07-01	2.13697
2012-10-01	2.06892
2013-01-01	2.06892
2013-04-01	2.06892
2013-07-01	1.48786
2013-10-01	1.48786
2014-01-01	1.29418
2014-04-01	3.29418
2014-07-01	3.29418
2014-10-01	2.91186
2015-01-01	3.65737
2015-04-01	4.39737