Quarter	Billions of US Dollars
1978-07-01	0.06176
1978-10-01	0.06179
1979-01-01	0.06127
1979-04-01	0.06125
1979-07-01	0.06124
1979-10-01	0.06162
1980-01-01	0.06122
1980-04-01	0.06245
1980-07-01	0.06244
1980-10-01	0.06186
1981-01-01	0.06147
1981-04-01	0.06050
1981-07-01	0.06029
1981-10-01	0.06053
1982-01-01	0.05994
1982-04-01	0.05981
1982-07-01	0.05937
1982-10-01	0.05964
1983-01-01	0.05923
1983-04-01	0.05915
1983-07-01	0.03443
1983-10-01	0.03418
1984-01-01	0.03418
1984-04-01	0.03398
1984-07-01	0.08344
1984-10-01	0.08285
1985-01-01	0.08301
1985-04-01	0.08301
1985-07-01	0.08375
1985-10-01	0.08460
1986-01-01	0.08438
1986-04-01	0.08414
1986-07-01	0.05000
1986-10-01	0.05000
1987-01-01	0.05000
1987-04-01	0.05000
1987-07-01	0.05000
1987-10-01	0.05000
1988-01-01	0.05000
1988-04-01	0.05000
1988-07-01	0.05000
1988-10-01	0.05000
1989-01-01	0.05000
1989-04-01	0.05000
1989-07-01	0.05000
1989-10-01	0.05000
1990-01-01	0.05000
1990-04-01	0.05000
1990-07-01	0.05000
1990-10-01	0.05000
1991-01-01	0.05000
1991-04-01	0.05000
1991-07-01	0.05000
1991-10-01	0.05000
1992-01-01	0.05000
1992-04-01	0.05000
2002-01-01	0.45000
2002-04-01	0.45000
2002-07-01	0.75000
2002-10-01	0.75000
2003-01-01	0.75000
2003-04-01	0.75000
2003-07-01	0.75000
2003-10-01	0.95000
2004-01-01	0.95000
2004-04-01	0.95000
2004-07-01	0.95000
2004-10-01	1.45000
2005-01-01	1.00000
2005-04-01	1.50000
2005-07-01	1.50000
2005-10-01	1.50000
2006-01-01	1.51933
2006-04-01	2.02783
2006-07-01	2.02566
2006-10-01	2.14609
2007-01-01	2.15193
2007-04-01	2.25940
2007-07-01	2.08647
2007-10-01	2.10807
2008-01-01	2.46547
2008-04-01	2.45593
2008-07-01	2.38066
2008-10-01	2.16472
2009-01-01	2.12587
2009-04-01	2.16860
2009-07-01	2.19288
2009-10-01	1.68759
2010-01-01	1.66401
2010-04-01	1.11709
2010-07-01	1.58913
2010-10-01	1.57808
2011-01-01	1.79705
2011-04-01	1.22971
2011-07-01	1.43645
2011-10-01	1.33969
2012-01-01	1.36597
2012-04-01	1.33869
2012-07-01	1.27247
2012-10-01	1.27468
2013-01-01	1.07185
2013-04-01	1.05282
2013-07-01	1.03699
2013-10-01	1.03233
2014-01-01	1.03485
2014-04-01	1.04632
2014-07-01	1.78427
2014-10-01	1.74371
2015-01-01	1.70832
2015-04-01	2.56237