Quarter	Billions of US Dollars
1977-01-01	0.015
1977-04-01	0.015
1977-07-01	0.015
1977-10-01	0.015
1978-01-01	0.015
1978-04-01	0.015
1978-07-01	0.015
1978-10-01	0.015
1979-01-01	0.015
1979-04-01	0.015
1979-07-01	0.015
1979-10-01	0.015
1980-01-01	0.015
1980-04-01	0.015
1980-07-01	0.015
1980-10-01	0.015
1981-01-01	0.015
1981-04-01	0.015
1981-07-01	0.015
1981-10-01	0.015
1994-01-01	0.010
1994-04-01	0.010
1994-07-01	0.010
1994-10-01	0.010
2011-07-01	0.150
2011-10-01	0.150
2012-01-01	0.150
2012-04-01	0.150
2012-07-01	0.150
2012-10-01	0.650
2013-01-01	0.650
2013-04-01	0.650
2013-07-01	1.650
2013-10-01	1.650
2014-01-01	1.650
2014-04-01	1.650
2014-07-01	1.650
2014-10-01	1.650
2015-01-01	1.650
2015-04-01	1.650