Year US Dollars, Sum Over Component Sub-periods 1990-01-01 535000000.0000000 1991-01-01 358000000.0000000 1992-01-01 -13000000.0000000 1993-01-01 -4021000000.0000000 1994-01-01 -3716000000.0000000 1995-01-01 -2433000000.0000000 1996-01-01 -2648000000.0000000 1997-01-01 -1963000000.0000000 1998-01-01 -2355000000.0000000 1999-01-01 1569460000.0000000 2000-01-01 -2909960000.0000000 2001-01-01 -2234460000.0000000 2002-01-01 -2119030000.0000002 2003-01-01 -3367280000.0000000 2004-01-01 -3810540000.0000000 2005-01-01 -3139160000.0000000 2006-01-01 -3083930000.0000000 2007-01-01 -962680000.0000000 2008-01-01 -1749140000.0000000 2009-01-01 3340540000.0000000 2010-01-01 3249960000.0000000 2011-01-01 4342250000.0000000 2012-01-01 4425840000.0000000 2013-01-01 5742230000.0000000