Quarter Billions of US Dollars 1994-01-01 0.010 1994-04-01 0.010 1994-07-01 0.010 1994-10-01 0.010 1995-04-01 0.005 1995-07-01 0.005 1996-01-01 0.003 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 0.150 2013-01-01 0.150 2013-04-01 0.150 2013-07-01 0.150 2013-10-01 0.150 2014-01-01 0.150 2014-04-01 0.150 2014-07-01 0.150 2014-10-01 0.150 2015-01-01 0.150 2015-04-01 0.150