Year US Dollars, Sum Over Component Sub-periods 1991-01-01 258500000.000000 1992-01-01 293000000.000000 1993-01-01 -3464000000.000000 1994-01-01 -3916300000.000000 1995-01-01 -1511800000.000000 1996-01-01 -1764800000.000000 1997-01-01 -2026000000.000000 1998-01-01 -3386400000.000000 1999-01-01 -3764200000.000000 2000-01-01 -4016000000.000000 2001-01-01 -3214300000.000000 2002-01-01 -4622500000.000000 2003-01-01 -6704600000.000000 2004-01-01 -8808500000.000000 2005-01-01 -8230299999.999999 2006-01-01 -8311500000.000000 2007-01-01 -9888200000.000000 2008-01-01 -11271400000.000000 2009-01-01 -300400000.000000 2010-01-01 277700000.000000 2011-01-01 568800000.000000 2012-01-01 1027800000.000000 2013-01-01 3925200000.000000