Quarter	Billions of US Dollars
1993-07-01	0.09189
1993-10-01	0.70755
1994-01-01	0.55181
1994-04-01	-0.33205
1994-07-01	0.05396
1994-10-01	0.57528
1995-01-01	-0.00251
1995-04-01	0.28249
1995-07-01	0.00251
1995-10-01	0.20253
1996-01-01	0.15359
1996-04-01	0.00255
1996-07-01	0.29303
1996-10-01	0.52169
1997-01-01	-0.06668
1997-04-01	0.80671
1997-07-01	0.17574
1997-10-01	-0.08001
1998-01-01	1.33595
1998-04-01	-0.03569
1998-07-01	0.00235
1998-10-01	0.06954
1999-01-01	-0.06002
1999-04-01	2.81756
1999-07-01	-0.02660
1999-10-01	-0.37483
2000-01-01	1.26993
2000-04-01	1.08771
2000-07-01	-0.00855
2000-10-01	-0.00735
2001-01-01	0.03348
2001-04-01	0.61213
2001-07-01	1.88148
2001-10-01	-0.04005
2002-01-01	0.37304
2002-04-01	0.99823
2002-07-01	-0.22733
2002-10-01	-0.60314
2003-01-01	-0.00241
2003-04-01	2.15817
2003-07-01	0.46146
2003-10-01	-0.76047
2004-01-01	0.49362
2004-04-01	1.46388
2004-07-01	-0.00639
2004-10-01	0.47714
2005-01-01	-0.00639
2005-04-01	-0.00464
2005-07-01	1.24362
2005-10-01	0.68667
2006-01-01	2.51836
2006-04-01	-0.45410
2006-07-01	-0.50639
2006-10-01	-0.21947
2007-01-01	-0.27939
2007-04-01	1.58441
2007-07-01	1.36950
2007-10-01	1.28000
2008-01-01	-0.00851
2008-04-01	0.98899
2008-07-01	-0.60902
2009-01-01	0.97077
2009-04-01	8.00000
2009-07-01	0.49149
2009-10-01	7.15893
2010-01-01	3.53676
2010-04-01	3.73088
2010-07-01	-0.01277
2010-10-01	3.53178
2011-01-01	1.36123
2011-04-01	1.00000
2011-07-01	-0.61277
2011-10-01	5.47000
2012-01-01	1.86323
2012-04-01	-1.20000
2012-07-01	3.34354
2012-10-01	1.50000
2013-01-01	2.58297
2013-04-01	-0.30304
2013-07-01	4.98297
2013-10-01	3.91065
2014-01-01	1.53748
2014-04-01	-0.68800
2014-07-01	5.41330
2014-10-01	0.34700
2015-01-01	-0.60300
2015-04-01	3.08415