Quarter	Billions of US Dollars
1993-07-01	0.00600
1993-10-01	0.00400
1994-01-01	0.00850
1994-07-01	0.08000
1994-10-01	0.08000
1995-01-01	0.10000
1995-04-01	0.10000
1995-07-01	0.02000
1995-10-01	0.02000
1996-07-01	0.23571
1996-10-01	0.49843
1997-01-01	0.46027
1997-04-01	0.65628
1997-07-01	0.40988
1997-10-01	0.43958
1998-01-01	0.23057
1998-04-01	0.27549
1998-07-01	0.67415
1998-10-01	0.70900
1999-01-01	0.77200
1999-04-01	0.62200
1999-07-01	0.24313
1999-10-01	0.40313
2000-01-01	0.34012
2000-04-01	0.56612
2000-07-01	0.70100
2000-10-01	0.39100
2001-01-01	0.39100
2001-04-01	0.16500
2001-07-01	0.17000
2001-10-01	0.17000
2002-01-01	0.17000
2002-04-01	0.17000
2003-01-01	0.02000
2003-04-01	0.02000
2003-07-01	0.02000
2003-10-01	0.02000
2004-10-01	0.44000
2005-01-01	0.44000
2005-04-01	0.59000
2005-07-01	0.59000
2005-10-01	0.15000
2006-01-01	0.35000
2006-04-01	0.35000
2006-07-01	0.35000
2006-10-01	0.50000
2007-01-01	0.30000
2007-04-01	0.45000
2007-07-01	0.45000
2007-10-01	0.45000
2008-01-01	0.75000
2008-04-01	0.65000
2008-07-01	0.65000
2008-10-01	0.62500
2009-01-01	0.32500
2009-04-01	0.12500
2009-07-01	0.34157
2009-10-01	0.36657
2010-01-01	0.36657
2010-04-01	0.36657
2010-07-01	0.15000
2010-10-01	0.16000
2011-01-01	0.20502
2011-04-01	0.33002
2011-07-01	0.41345
2011-10-01	0.43843
2012-01-01	0.51841
2012-04-01	0.49341
2012-07-01	0.55998
2012-10-01	0.37500
2013-01-01	0.25000
2013-04-01	0.15000
2014-01-01	0.15500
2014-04-01	0.15500
2014-07-01	0.15500
2014-10-01	0.15500