Quarter	Billions of US Dollars
1995-10-01	0.05639
1996-01-01	0.14991
1996-04-01	0.20282
1996-07-01	0.44913
1996-10-01	0.78679
1997-01-01	1.37862
1997-04-01	1.36350
1997-07-01	1.20780
1997-10-01	1.03609
1998-01-01	0.59920
1998-04-01	0.50863
1998-07-01	0.53447
1998-10-01	0.43544
1999-01-01	0.22318
1999-04-01	0.16950
1999-07-01	0.19845
1999-10-01	0.20523
2000-01-01	0.14792
2000-04-01	0.11329
2000-07-01	0.10515
2000-10-01	0.35834
2001-01-01	0.32589
2001-04-01	0.32688
2001-07-01	0.15034
2001-10-01	0.07692
2002-01-01	0.06475
2002-04-01	0.03408
2002-07-01	0.03254
2003-07-01	0.05855
2003-10-01	0.07016
2004-01-01	0.01117
2004-04-01	0.02295
2004-07-01	0.01176
2004-10-01	0.05813
2005-01-01	0.08658
2005-04-01	0.12067
2005-07-01	0.08913
2005-10-01	0.15219
2006-01-01	0.22951
2006-04-01	0.16073
2006-07-01	0.16365
2006-10-01	0.14337
2007-01-01	0.09846
2007-04-01	0.08951
2007-07-01	0.07828
2007-10-01	0.05726
2008-01-01	0.09645
2008-04-01	0.11464
2008-07-01	0.25523
2008-10-01	0.20203
2009-01-01	0.14955
2009-04-01	0.14606
2009-07-01	0.00582
2009-10-01	0.00544
2010-01-01	0.00530
2010-04-01	0.01074
2010-07-01	0.02234
2010-10-01	0.01854
2011-01-01	0.02140
2011-04-01	0.03033
2011-07-01	0.01795
2011-10-01	0.00656
2012-01-01	0.01271
2012-04-01	0.08193
2012-07-01	0.11210
2012-10-01	0.03988
2013-01-01	0.03786
2013-04-01	0.09173
2013-07-01	0.12176
2013-10-01	0.20107
2014-01-01	0.17587
2014-04-01	0.14925
2014-07-01	0.09089
2014-10-01	0.16231
2015-01-01	0.19018
2015-04-01	0.19078