Quarter	Billions of US Dollars
1994-10-01	0.03000
1995-01-01	0.03000
1995-04-01	0.03000
1995-07-01	0.03000
1996-01-01	0.06240
1996-04-01	0.10711
1996-07-01	0.09472
1996-10-01	0.00732
1997-01-01	0.00050
1997-04-01	0.00861
1997-07-01	0.00861
1997-10-01	0.00198
1998-01-01	0.00081
1998-04-01	0.00083
1998-07-01	0.00087
1998-10-01	0.00055
1999-01-01	0.00055
1999-04-01	0.00055
2003-07-01	0.01500
2003-10-01	0.01500
2004-01-01	0.02300
2004-04-01	0.02300
2004-07-01	0.01200
2004-10-01	0.01200
2005-01-01	0.00400
2005-04-01	0.00400
2010-04-01	0.09154
2010-07-01	0.12196
2010-10-01	0.13843
2011-01-01	0.11689
2011-04-01	0.36968
2011-07-01	0.27218
2011-10-01	0.14144
2012-01-01	0.15684
2012-04-01	0.19134
2012-07-01	0.18936
2012-10-01	0.16553
2013-01-01	0.17084
2013-04-01	0.21062
2013-07-01	0.18442
2013-10-01	0.13252
2014-01-01	0.13105
2014-04-01	0.28066
2014-07-01	0.28389
2014-10-01	0.27531
2015-01-01	0.27125
2015-04-01	0.24519