Quarter	Billions of US Dollars
1993-07-01	0.01500
1993-10-01	-0.00500
1994-01-01	-0.01000
1996-10-01	0.03000
1998-01-01	0.07500
1999-01-01	0.16000
1999-04-01	0.14887
1999-07-01	0.30373
1999-10-01	0.19304
2000-01-01	0.20248
2000-04-01	0.51889
2000-07-01	0.09023
2000-10-01	0.35277
2001-01-01	0.11374
2001-04-01	0.02946
2001-07-01	-0.06041
2001-10-01	0.16357
2002-01-01	0.03213
2002-04-01	0.20811
2002-07-01	0.08213
2002-10-01	-0.23979
2003-01-01	0.30573
2003-04-01	0.87956
2003-07-01	0.92251
2003-10-01	1.46782
2004-01-01	1.65612
2004-04-01	1.11181
2004-07-01	2.07265
2004-10-01	3.34177
2005-01-01	3.36143
2005-04-01	4.91589
2005-07-01	3.77836
2005-10-01	4.47613
2006-01-01	2.24436
2006-04-01	1.12117
2006-07-01	2.24001
2006-10-01	3.98262
2007-01-01	1.72723
2007-04-01	1.78652
2007-07-01	-0.47420
2007-10-01	1.19807
2008-01-01	1.78286
2008-04-01	0.96138
2008-07-01	-1.67711
2008-10-01	-1.89435
2009-01-01	-3.06532
2009-04-01	-2.91130
2009-07-01	-1.65154
2009-10-01	-3.08307
2010-01-01	-3.23517
2010-04-01	-2.76687
2010-07-01	-0.21806
2010-10-01	-2.64081
2011-01-01	-1.02405
2011-04-01	-2.13197
2011-07-01	-2.08305
2011-10-01	-2.15273
2012-01-01	-2.20119
2012-04-01	-1.77626
2012-07-01	-1.98104
2012-10-01	-0.55751
2013-01-01	-0.11021
2013-04-01	-0.13234
2013-07-01	-0.30212
2013-10-01	-0.24443
2014-01-01	0.03607
2014-04-01	-0.27519
2014-07-01	-0.03974
2014-10-01	-0.23729
2015-01-01	-0.16720
2015-04-01	0.01282