Year US Dollars, Sum Over Component Sub-periods 1990-01-01 -841770000.0000000 1991-01-01 -1069790000.0000000 1992-01-01 -2065530000.0000002 1993-01-01 -1994760000.0000000 1994-01-01 -2948970000.0000000 1995-01-01 -4784950000.0000000 1996-01-01 -6049010000.0000000 1997-01-01 -7202940000.0000000 1998-01-01 -9880420000.0000000 1999-01-01 -10843170000.0000000 2000-01-01 -12799790000.0000000 2001-01-01 -11875010000.0000000 2002-01-01 -12987890000.0000000 2003-01-01 -12528760000.0000000 2004-01-01 -12676710000.0000000 2005-01-01 -11561990000.0000000 2006-01-01 -8531469999.9999990 2007-01-01 -1534600000.0000000 2008-01-01 -11213740000.0000000 2009-01-01 -9585990000.0000000 2010-01-01 -8792870000.0000000 2011-01-01 -2363870000.0000000 2012-01-01 4120790000.0000000 2013-01-01 8045960000.0000000