Quarter	Billions of US Dollars
1975-04-01	0.0160
1977-07-01	0.0680
1978-01-01	0.0873
1978-04-01	0.0977
1978-10-01	0.0814
1979-01-01	0.1038
1979-04-01	0.1789
1979-07-01	0.0471
1979-10-01	0.0868
1980-07-01	0.1395
1980-10-01	0.0250
1981-04-01	0.1149
1981-10-01	0.0500
1990-10-01	0.0210
1991-04-01	0.0150
1991-07-01	0.3000
1991-10-01	0.4800
1992-01-01	0.1900
1992-04-01	17.4413
1992-07-01	0.9200
1992-10-01	0.0650
1993-01-01	0.3750
1993-04-01	0.4760
1993-07-01	1.6942
1993-10-01	11.8035
1994-01-01	0.9330
1994-04-01	0.6707
1994-07-01	0.8413
1994-10-01	2.3032
1995-01-01	0.2185
1995-04-01	2.0216
1995-07-01	1.9133
1995-10-01	2.5702
1996-01-01	3.1684
1996-04-01	8.9271
1996-07-01	8.0519
1996-10-01	4.6872
1997-01-01	6.1172
1997-04-01	3.8906
1997-07-01	6.6582
1997-10-01	2.0095
1998-01-01	5.6091
1998-04-01	6.8179
1998-07-01	2.8595
1998-10-01	2.9990
1999-01-01	4.0231
1999-04-01	4.8387
1999-07-01	2.4284
1999-10-01	4.0530
2000-01-01	5.5689
2000-04-01	6.0407
2000-07-01	4.2015
2000-10-01	0.5134
2001-01-01	4.1337
2001-04-01	30.8913
2001-07-01	0.7173
2001-10-01	1.3793
2002-01-01	0.1737
2002-04-01	0.0368
2002-10-01	0.2329
2003-04-01	0.0018
2003-10-01	0.6000
2004-01-01	0.7205
2004-04-01	0.1000
2004-07-01	0.0000
2004-10-01	0.1000
2005-01-01	18.0989
2005-04-01	0.0000
2005-07-01	0.0000
2005-10-01	0.7652
2006-01-01	0.3000
2006-04-01	0.2760
2006-07-01	0.3255
2006-10-01	1.0850
2007-01-01	0.6889
2007-04-01	4.8146
2007-07-01	0.4700
2007-10-01	0.2250
2008-01-01	0.0200
2008-04-01	0.0182
2008-10-01	0.0150
2009-01-01	0.1134
2009-04-01	0.0955
2009-07-01	0.0720
2009-10-01	0.0600
2010-04-01	2.2298
2010-07-01	1.5250
2010-10-01	1.4660
2011-01-01	1.3322
2011-04-01	0.6994
2011-07-01	0.4162
2012-01-01	0.6000
2012-04-01	0.0630
2012-07-01	0.1080
2013-01-01	0.0001
2013-07-01	0.1500
2013-10-01	0.5000
2014-04-01	1.2000
2014-07-01	0.0001
2014-10-01	0.1138
2015-01-01	1.5366
2015-04-01	2.0550