Quarter Billions of US Dollars 1995-10-01 0.12381 1996-01-01 0.19900 1996-04-01 -0.11398 1996-07-01 0.01869 1996-10-01 -0.07909 1997-01-01 -0.12308 1997-04-01 0.14300 1997-07-01 -0.10900 1997-10-01 -0.04400 2006-04-01 0.15000 2008-01-01 0.32147 2009-10-01 0.45000 2010-04-01 0.19000 2011-07-01 -0.16091 2012-07-01 0.25000 2013-04-01 0.40000 2014-01-01 1.25000 2014-04-01 -0.45000 2014-10-01 -0.19000