Quarter	Billions of US Dollars
1993-07-01	4.3136
1993-10-01	1.0096
1994-01-01	1.7860
1994-04-01	1.9785
1994-07-01	0.6441
1994-10-01	0.8423
1995-01-01	-1.1151
1995-04-01	0.2912
1995-07-01	1.1520
1995-10-01	2.0454
1996-01-01	3.8683
1996-04-01	1.5913
1996-07-01	0.1906
1996-10-01	1.1449
1997-01-01	1.9441
1997-04-01	-0.1952
1997-07-01	1.6143
1997-10-01	1.5559
1998-01-01	0.7309
1998-04-01	-0.1590
1998-07-01	2.1036
1998-10-01	0.3231
1999-01-01	2.1063
1999-04-01	1.4975
1999-07-01	3.7283
1999-10-01	3.4643
2000-01-01	3.7904
2000-04-01	1.3169
2000-07-01	0.7294
2000-10-01	0.0147
2001-01-01	3.4382
2001-04-01	-6.6794
2001-07-01	-2.4022
2001-10-01	-1.1932
2002-01-01	-1.1521
2002-04-01	0.4175
2002-07-01	1.7995
2002-10-01	-0.3827
2003-01-01	1.1362
2003-04-01	-6.7683
2003-07-01	-1.5925
2003-10-01	3.3641
2004-01-01	-1.3363
2004-04-01	-1.8799
2004-07-01	-0.6370
2004-10-01	2.5160
2005-01-01	13.1393
2005-04-01	-1.5537
2005-07-01	6.6905
2005-10-01	-4.0066
2006-01-01	8.5211
2006-04-01	2.6412
2006-07-01	0.1386
2006-10-01	2.6862
2007-01-01	14.9615
2007-04-01	9.5567
2007-07-01	-15.9054
2007-10-01	-3.0728
2008-01-01	-22.1786
2008-04-01	-4.0743
2008-07-01	-6.8212
2008-10-01	-10.2112
2009-01-01	-8.8714
2009-04-01	0.5137
2009-07-01	2.2748
2009-10-01	-1.7799
2010-01-01	4.1875
2010-04-01	-4.1030
2010-07-01	1.8297
2010-10-01	0.4351
2011-01-01	5.5808
2011-04-01	6.5824
2011-07-01	4.0849
2011-10-01	0.0688
2012-01-01	4.4813
2012-04-01	4.6708
2012-07-01	1.5748
2012-10-01	-2.4904
2013-01-01	11.1780
2013-04-01	10.0368
2013-07-01	6.0135
2013-10-01	7.5092
2014-01-01	1.2122
2014-04-01	7.2488
2014-07-01	3.6861
2014-10-01	-3.2405
2015-01-01	-2.4453
2015-04-01	-4.4226