Quarter	Billions of US Dollars
1972-07-01	0.0313
1972-10-01	0.0600
1973-04-01	0.0250
1973-10-01	0.0360
1974-10-01	0.0250
1975-01-01	0.0350
1976-04-01	0.0500
1976-07-01	0.0401
1976-10-01	0.1913
1977-01-01	0.0834
1977-04-01	0.1986
1977-07-01	0.2397
1977-10-01	0.3135
1978-01-01	0.2416
1978-04-01	0.1775
1978-07-01	0.2459
1978-10-01	0.1767
1979-01-01	0.2035
1979-04-01	0.0500
1979-07-01	0.2433
1979-10-01	0.2023
1980-04-01	0.2600
1980-07-01	0.0551
1981-04-01	0.0464
1981-07-01	0.0139
1982-01-01	0.0420
1982-10-01	0.0181
1989-07-01	1.0000
1991-07-01	1.0158
1991-10-01	0.5400
1992-01-01	1.0750
1992-04-01	1.4550
1992-07-01	0.3950
1992-10-01	0.2500
1993-01-01	0.9500
1993-04-01	1.4050
1993-07-01	1.2850
1993-10-01	1.7538
1994-01-01	1.2152
1994-04-01	42.8622
1994-07-01	0.4380
1994-10-01	2.0969
1995-01-01	0.3070
1995-04-01	2.7503
1995-07-01	1.2529
1995-10-01	2.0737
1996-01-01	2.4056
1996-04-01	3.3068
1996-07-01	1.9944
1996-10-01	5.0059
1997-01-01	2.1218
1997-04-01	6.8153
1997-07-01	4.5923
1997-10-01	1.8039
1998-01-01	4.3522
1998-04-01	2.3736
1998-07-01	1.8244
1998-10-01	0.0750
1999-01-01	0.3149
1999-04-01	2.4939
1999-07-01	1.6443
1999-10-01	4.1214
2000-01-01	4.7849
2000-04-01	1.6490
2000-07-01	8.0850
2000-10-01	1.0542
2001-01-01	3.7790
2001-04-01	4.2129
2001-07-01	1.6661
2001-10-01	1.0718
2002-01-01	3.4292
2002-04-01	1.6553
2002-07-01	0.1738
2002-10-01	0.2080
2003-01-01	0.0380
2003-04-01	3.7174
2003-07-01	3.6792
2003-10-01	3.4343
2004-01-01	2.5604
2004-04-01	0.9195
2004-07-01	2.5335
2004-10-01	2.0821
2005-01-01	3.1890
2005-04-01	2.5654
2005-07-01	9.5950
2005-10-01	2.9399
2006-01-01	4.0568
2006-04-01	1.0875
2006-07-01	4.1291
2006-10-01	3.7849
2007-01-01	3.9285
2007-04-01	3.1882
2007-07-01	2.2103
2007-10-01	1.5384
2008-01-01	2.2842
2008-04-01	1.8750
2008-07-01	1.0900
2008-10-01	0.0516
2009-01-01	1.4932
2009-04-01	4.0718
2009-07-01	5.1245
2009-10-01	6.5567
2010-01-01	10.4077
2010-04-01	5.3849
2010-07-01	10.7715
2010-10-01	6.8932
2011-01-01	7.9170
2011-04-01	11.9338
2011-07-01	3.7638
2011-10-01	4.6800
2012-01-01	6.0852
2012-04-01	4.1623
2012-07-01	5.4983
2012-10-01	3.3336
2013-01-01	0.8642
2013-04-01	4.9988
2013-07-01	4.4191
2013-10-01	5.4805
2014-01-01	5.6113
2014-04-01	6.3575
2014-07-01	12.8831
2014-10-01	1.1989
2015-01-01	0.0993
2015-04-01	1.7902