Quarter	Billions of US Dollars
1994-01-01	0.04000
1994-04-01	0.04000
1994-07-01	0.04000
1994-10-01	0.04000
1995-01-01	0.04000
1995-04-01	0.04000
1995-07-01	0.04000
1995-10-01	0.04000
1996-01-01	0.04000
1996-04-01	0.04000
1996-07-01	0.04000
1996-10-01	0.04000
1998-01-01	0.00500
1998-04-01	0.00500
1998-07-01	0.00500
1998-10-01	0.15500
1999-01-01	0.15500
1999-04-01	0.15500
1999-07-01	0.15430
1999-10-01	0.15349
2000-01-01	0.15349
2000-04-01	0.15349
2000-07-01	0.15349
2000-10-01	0.15000
2001-01-01	0.15000
2001-04-01	0.15000
2001-07-01	0.15000
2001-10-01	0.15000
2002-01-01	0.15000
2002-04-01	0.15000
2002-07-01	0.15000
2002-10-01	0.15000
2003-01-01	0.15000
2003-04-01	0.15000
2003-07-01	0.15000
2003-10-01	0.15000
2004-01-01	0.15000
2004-04-01	0.15000
2004-07-01	0.15000
2004-10-01	0.15000
2005-01-01	0.15000
2005-04-01	0.15000
2005-07-01	0.15000
2005-10-01	0.15000
2006-01-01	0.15000
2006-04-01	0.15000
2006-07-01	0.36300
2006-10-01	1.22200
2007-01-01	1.22200
2007-04-01	1.22200
2007-07-01	1.22200
2007-10-01	1.22200
2008-01-01	1.22200
2008-04-01	1.22200
2008-07-01	1.22200
2008-10-01	1.07200
2009-01-01	1.32200
2009-04-01	1.32200
2009-07-01	1.32200
2009-10-01	1.47200
2010-01-01	1.76460
2010-04-01	1.76133
2010-07-01	1.76876
2010-10-01	1.87328
2011-01-01	1.95613
2011-04-01	1.95582
2011-07-01	1.71703
2011-10-01	1.71648
2012-01-01	2.12099
2012-04-01	2.11595
2012-07-01	2.41504
2012-10-01	2.51338
2013-01-01	3.00803
2013-04-01	3.00227
2013-07-01	3.00251
2013-10-01	3.23000
2014-01-01	3.22952
2014-04-01	3.81019
2014-07-01	4.43546
2014-10-01	5.19210
2015-01-01	4.93614
2015-04-01	6.10265