Quarter	Billions of US Dollars
1993-07-01	1.2223
1993-10-01	0.1328
1994-01-01	0.6096
1994-04-01	0.2303
1994-07-01	0.7104
1994-10-01	0.1277
1995-01-01	-1.2594
1995-04-01	-0.2604
1995-07-01	0.3780
1995-10-01	0.0879
1996-01-01	0.2161
1996-04-01	0.1520
1996-07-01	0.2567
1996-10-01	0.4268
1997-01-01	0.4042
1997-04-01	0.6101
1997-07-01	-0.8129
1997-10-01	-0.6835
1998-01-01	-0.0779
1998-04-01	0.8256
1998-07-01	0.6932
1998-10-01	0.1165
1999-01-01	1.3200
1999-04-01	-0.9395
1999-07-01	-0.0278
1999-10-01	0.5452
2000-01-01	-1.2854
2000-04-01	-0.0752
2000-07-01	0.4192
2000-10-01	-1.2016
2001-01-01	0.0597
2001-04-01	0.6379
2001-07-01	-0.6718
2001-10-01	0.2354
2002-01-01	0.4871
2002-04-01	0.2673
2002-07-01	0.3291
2002-10-01	1.4166
2003-01-01	0.3244
2003-04-01	-0.1925
2003-07-01	-0.1515
2003-10-01	0.6319
2004-01-01	-0.0903
2004-04-01	0.6066
2004-07-01	1.7601
2004-10-01	2.2079
2005-01-01	2.5018
2005-04-01	1.9048
2005-07-01	-0.3869
2005-10-01	0.4068
2006-01-01	1.9320
2006-04-01	0.6563
2006-07-01	-0.3598
2006-10-01	1.2374
2007-01-01	8.0226
2007-04-01	1.1058
2007-07-01	-3.2519
2007-10-01	0.5429
2008-01-01	-5.8465
2008-04-01	3.5563
2008-07-01	-0.2254
2008-10-01	-1.3262
2009-01-01	-11.3465
2009-04-01	-1.2687
2009-07-01	2.6085
2009-10-01	1.2226
2010-01-01	1.9444
2010-04-01	-1.6360
2010-07-01	0.3032
2010-10-01	-0.4788
2011-01-01	0.6735
2011-04-01	1.7757
2011-07-01	3.8511
2011-10-01	0.4650
2012-01-01	0.4673
2012-04-01	-0.5603
2012-07-01	0.0536
2012-10-01	6.5543
2013-01-01	2.6643
2013-04-01	1.8673
2013-07-01	3.5184
2013-10-01	3.7474
2014-01-01	-0.0441
2014-04-01	0.4668
2014-07-01	0.3170
2014-10-01	-1.4444
2015-01-01	-3.6982
2015-04-01	-1.9982