Quarter	Billions of US Dollars
1993-07-01	-1.20000
1993-10-01	-0.21662
1994-04-01	-0.64290
1994-07-01	-0.41031
1994-10-01	-0.60000
1995-04-01	-0.49857
1996-10-01	-0.20000
1997-04-01	-0.08648
1997-07-01	-0.08055
1998-01-01	-0.46857
1998-07-01	-0.06801
1999-04-01	1.00000
2000-07-01	0.30000
2000-10-01	0.56126
2001-07-01	1.00000
2002-01-01	0.75000
2003-10-01	-0.65000
2005-10-01	-0.77246
2009-04-01	-1.50000
2009-07-01	-0.11963
2010-04-01	1.25000
2011-04-01	0.80000
2011-07-01	0.25000
2013-10-01	0.48249
2015-04-01	0.25000