Quarter	Billions of US Dollars
1993-07-01	-0.13066
1993-10-01	-0.07816
1994-01-01	-0.35000
1994-07-01	0.20000
1994-10-01	0.19320
1995-01-01	-0.37167
1995-04-01	-0.17626
1995-07-01	-0.05117
1995-10-01	-0.10000
1996-01-01	-0.03723
1996-04-01	0.82398
1996-07-01	0.23296
1996-10-01	0.87806
1997-01-01	0.51704
1997-04-01	-0.00640
1997-07-01	1.14166
1997-10-01	0.25567
1998-01-01	0.30756
1998-04-01	1.27444
1998-07-01	0.12465
1998-10-01	1.85795
1999-01-01	1.43855
1999-04-01	0.43488
1999-07-01	0.41988
1999-10-01	0.53105
2000-01-01	0.61131
2000-04-01	1.03443
2000-07-01	1.72718
2000-10-01	-0.57640
2001-01-01	-1.23080
2001-04-01	0.09983
2001-07-01	-1.27629
2001-10-01	0.57248
2002-01-01	0.55153
2002-04-01	0.06479
2002-07-01	-0.23295
2002-10-01	0.83555
2003-01-01	-0.17004
2003-04-01	-0.14385
2003-07-01	0.03319
2003-10-01	0.08692
2004-01-01	0.28798
2004-04-01	0.26545
2004-07-01	-0.02048
2004-10-01	0.39316
2005-01-01	-0.29902
2005-04-01	0.20998
2005-07-01	-0.09328
2005-10-01	-0.25364
2006-01-01	-0.42231
2006-04-01	-0.26800
2006-07-01	2.38094
2006-10-01	-0.55366
2007-01-01	-0.12141
2007-04-01	1.06376
2007-07-01	0.03872
2007-10-01	-0.30714
2008-01-01	-0.13517
2008-04-01	0.39468
2008-07-01	-0.04354
2008-10-01	-0.43807
2009-01-01	3.18387
2009-04-01	3.79497
2009-07-01	-0.22066
2009-10-01	0.64305
2010-01-01	0.33187
2010-04-01	-0.53871
2010-07-01	1.78886
2010-10-01	0.31459
2011-01-01	0.35909
2011-04-01	-0.32802
2011-07-01	-0.70546
2011-10-01	1.59211
2012-01-01	0.25742
2012-04-01	2.31073
2012-07-01	0.92376
2012-10-01	3.14251
2013-01-01	-0.68581
2013-04-01	4.83534
2013-07-01	3.89576
2013-10-01	4.90951
2014-01-01	-0.25497
2014-04-01	-0.33526
2014-07-01	-0.01639
2014-10-01	1.16011
2015-01-01	4.16287
2015-04-01	-0.30922