Quarter	Billions of US Dollars
1996-07-01	-0.10500
1996-10-01	0.60000
1997-04-01	0.07500
1997-07-01	0.11500
1997-10-01	0.42500
1998-04-01	0.07367
1998-07-01	0.38500
1998-10-01	0.00901
1999-01-01	0.51085
1999-04-01	-0.00458
1999-07-01	0.00010
1999-10-01	0.60408
2000-01-01	0.37431
2000-04-01	0.12699
2000-07-01	0.44984
2000-10-01	0.06543
2001-01-01	-0.00961
2001-04-01	0.61373
2002-01-01	0.00876
2002-07-01	-0.08625
2002-10-01	-0.00500
2003-01-01	0.05707
2003-04-01	0.04000
2003-07-01	0.00913
2003-10-01	0.00594
2004-01-01	0.29467
2004-04-01	-0.07139
2004-07-01	0.00367
2004-10-01	0.12500
2005-01-01	-0.40654
2005-04-01	-0.16655
2005-07-01	-0.28719
2006-01-01	1.39250
2006-04-01	0.05540
2006-07-01	0.02548
2006-10-01	-0.35000
2007-01-01	-0.09920
2007-07-01	-0.39854
2007-10-01	-0.22500
2008-01-01	0.25000
2008-04-01	2.00000
2008-07-01	-0.04504
2009-01-01	-0.57279
2009-10-01	-0.60000
2010-04-01	0.50000
2010-07-01	-0.17500
2010-10-01	0.10746
2011-01-01	-0.14500
2011-04-01	-0.60000
2011-10-01	5.00000
2012-01-01	0.57784
2012-04-01	0.01170
2012-07-01	0.01018
2012-10-01	2.50000
2013-01-01	-1.00000
2013-04-01	-1.68000
2013-07-01	0.51913
2013-10-01	-2.10000
2014-04-01	-0.01170
2014-07-01	-0.00013
2014-10-01	3.30000