Quarter Billions of US Dollars 1995-01-01 0.32000 1995-04-01 0.32000 1995-07-01 0.32000 1995-10-01 0.32000 2004-07-01 0.37227 2004-10-01 0.40863 2005-01-01 0.38892 2005-04-01 0.36276 2006-07-01 0.60000 2006-10-01 0.60000 2007-01-01 1.20000 2007-04-01 1.20000 2007-07-01 0.60000 2007-10-01 0.60000 2008-04-01 0.50000 2008-07-01 0.50000 2008-10-01 0.50000 2009-01-01 0.50000 2011-01-01 0.75000 2011-04-01 0.75000 2011-07-01 0.75000 2011-10-01 0.75000 2012-01-01 1.00000 2012-04-01 1.00000 2012-07-01 1.00000 2012-10-01 1.00000 2015-04-01 0.05000