Quarter Billions of US Dollars 1996-07-01 0.11000 1996-10-01 0.27650 1997-04-01 0.32500 1997-10-01 0.30000 1998-01-01 0.02350 1998-10-01 0.00500 1999-04-01 0.06000 1999-07-01 0.01500 1999-10-01 -0.10000 2000-04-01 0.16500 2001-01-01 0.05000 2001-07-01 0.11000 2001-10-01 -0.09000 2002-04-01 -0.33500 2002-07-01 0.11500 2002-10-01 -0.09000 2003-04-01 -0.11500 2003-07-01 0.06000 2003-10-01 0.02500 2004-01-01 0.02985 2004-04-01 -0.07500 2005-01-01 -0.05000 2005-07-01 0.09000 2005-10-01 0.24515 2006-04-01 -0.06884 2006-07-01 -0.06000 2006-10-01 -0.10000 2007-01-01 -0.05000 2007-07-01 -0.15000 2007-10-01 -0.06000 2008-07-01 -0.06000 2010-04-01 -0.10000 2010-07-01 -0.17000 2011-04-01 0.30000 2011-10-01 -0.30000 2012-04-01 -0.03116 2012-10-01 0.20000