Quarter	Billions of US Dollars
1984-07-01	0.0500
1986-04-01	0.1000
1987-01-01	-0.0500
1988-01-01	0.0752
1988-07-01	0.2682
1989-01-01	0.4560
1989-07-01	0.4408
1990-01-01	0.2912
1993-04-01	-0.1000
1994-01-01	-0.0943
1994-07-01	-0.0498
1995-01-01	-0.3378
1995-07-01	-0.4484
1996-01-01	0.0750
1996-07-01	-0.9834
1996-10-01	1.1266
1997-01-01	1.3228
1997-04-01	3.0650
1997-07-01	1.0250
1997-10-01	1.5355
1998-01-01	0.8285
1998-04-01	4.9397
1998-07-01	6.4401
1998-10-01	-0.1601
1999-01-01	-0.0750
1999-04-01	-0.1890
1999-07-01	-0.2005
1999-10-01	-0.2693
2000-01-01	-0.1000
2000-04-01	-0.2807
2000-07-01	19.8439
2001-01-01	-0.1500
2001-04-01	-0.3591
2001-10-01	0.2527
2002-01-01	0.6615
2002-04-01	0.3200
2002-10-01	1.8295
2003-01-01	2.4036
2003-04-01	-0.2145
2003-07-01	1.5740
2003-10-01	2.2736
2004-01-01	0.4614
2004-04-01	1.9429
2004-07-01	3.0200
2004-10-01	2.2120
2005-01-01	2.0939
2005-04-01	5.2061
2005-07-01	1.1955
2005-10-01	4.8885
2006-01-01	2.0102
2006-04-01	2.4380
2006-07-01	4.1735
2006-10-01	15.1658
2007-01-01	9.9087
2007-04-01	13.1599
2007-07-01	1.6070
2007-10-01	9.9083
2008-01-01	-0.1832
2008-04-01	10.2132
2008-07-01	2.1521
2008-10-01	-2.3661
2009-01-01	-3.4817
2009-04-01	2.6396
2009-07-01	0.1955
2009-10-01	-2.5237
2010-01-01	1.1043
2010-04-01	4.9874
2010-07-01	7.9784
2010-10-01	14.0399
2011-01-01	4.7468
2011-04-01	6.0225
2011-07-01	-2.5756
2011-10-01	0.0178
2012-01-01	3.0753
2012-04-01	19.8219
2012-07-01	29.4357
2012-10-01	18.0481
2013-01-01	10.3965
2013-04-01	10.2708
2013-07-01	5.5855
2013-10-01	8.0078
2014-01-01	-11.9789
2014-04-01	-2.8022
2014-07-01	-3.3149
2014-10-01	-1.2488
2015-01-01	-5.7405
2015-04-01	-5.0194