Quarter	Billions of US Dollars
1994-01-01	0.04980
1996-01-01	0.01980
1996-07-01	0.00826
1997-01-01	-0.02900
1997-04-01	0.01220
1998-01-01	-0.03185
1998-04-01	0.00446
1998-07-01	-0.00509
1999-01-01	0.01370
1999-04-01	-0.01534
2000-01-01	0.02300
2000-07-01	0.05300
2000-10-01	-0.00649
2001-01-01	-0.00884
2001-07-01	0.04828
2001-10-01	-0.01305
2002-01-01	-0.01831
2002-07-01	0.02428
2003-01-01	-0.00936
2003-04-01	0.02247
2003-07-01	-0.02423
2004-07-01	-0.02424
2005-01-01	0.01866
2005-04-01	0.12592
2005-07-01	0.09428
2005-10-01	0.11300
2006-01-01	-0.00597
2006-04-01	0.08358
2006-07-01	0.10724
2006-10-01	0.13364
2007-01-01	-0.03091
2007-04-01	0.07059
2007-07-01	0.05772
2007-10-01	0.04752
2008-01-01	-0.01653
2008-04-01	0.27293
2008-07-01	0.17757
2009-01-01	-5.06419
2009-04-01	0.35040
2009-10-01	0.00000
2010-04-01	-0.00033
2010-07-01	-0.18995
2010-10-01	0.13107
2011-01-01	1.29554
2011-04-01	-0.03246
2011-07-01	-0.10482
2011-10-01	0.34247
2012-01-01	0.71803
2012-04-01	-0.17367
2012-07-01	0.10943
2012-10-01	0.97786
2013-01-01	0.20628
2013-04-01	-0.01325
2013-07-01	0.06400
2013-10-01	-0.00135
2014-01-01	-0.57590
2014-04-01	-0.35098
2014-07-01	0.31155
2014-10-01	-0.08835
2015-01-01	-0.54524
2015-04-01	0.38551