Quarter	Billions of US Dollars
1993-07-01	-0.1113
1995-04-01	-0.0179
1996-04-01	-0.0028
1996-07-01	0.0460
1997-01-01	0.0109
1997-04-01	0.1301
1997-07-01	0.1500
1998-01-01	0.1500
1998-04-01	0.1686
1999-01-01	-0.0065
1999-04-01	-0.1000
1999-07-01	0.0329
1999-10-01	0.4000
2000-01-01	-0.0126
2000-04-01	-0.0571
2000-07-01	-0.1500
2001-01-01	0.0952
2001-04-01	0.0487
2001-07-01	-0.0319
2001-10-01	0.2532
2002-01-01	0.5250
2002-04-01	0.4317
2002-10-01	2.2444
2003-01-01	2.1500
2003-04-01	0.1500
2003-07-01	0.1250
2003-10-01	0.0766
2004-01-01	0.6355
2004-04-01	0.7790
2004-07-01	1.0271
2004-10-01	0.3391
2005-01-01	0.0837
2005-04-01	-0.0057
2005-07-01	-0.2535
2005-10-01	1.6302
2006-01-01	0.0767
2006-04-01	-0.4075
2006-07-01	0.5821
2006-10-01	2.4017
2007-01-01	1.4435
2007-04-01	2.9289
2007-07-01	0.5925
2007-10-01	-0.1933
2008-01-01	0.4617
2008-04-01	1.3700
2008-07-01	4.3556
2008-10-01	0.0410
2009-01-01	-0.8252
2009-04-01	3.2839
2009-07-01	0.0906
2009-10-01	1.7786
2010-01-01	0.3590
2010-04-01	4.8638
2010-07-01	-0.3582
2010-10-01	1.7757
2011-01-01	2.9239
2011-04-01	1.9121
2011-07-01	-0.9100
2011-10-01	1.1099
2012-01-01	0.2009
2012-04-01	2.0185
2012-07-01	4.1275
2012-10-01	5.8889
2013-01-01	2.6869
2013-04-01	11.6868
2013-07-01	-0.9069
2013-10-01	2.4699
2014-01-01	-0.2718
2014-04-01	-0.9071
2014-07-01	-1.5628
2014-10-01	3.3191
2015-01-01	0.2716
2015-04-01	-0.4494