Year US Dollars, Sum Over Component Sub-periods 1993-01-01 -90160000 1994-01-01 -119620000 1995-01-01 -36610000 1996-01-01 -152860000 1997-01-01 -25230000 1998-01-01 -127080000 1999-01-01 -89850000 2000-01-01 -42800000 2001-01-01 -165380000 2002-01-01 -206500000 2003-01-01 -206170000 2004-01-01 -1014510000 2005-01-01 18740000 2006-01-01 -1468660000 2007-01-01 -1620570000 2008-01-01 -4321540000 2009-01-01 -950100000 2010-01-01 -1167970000 2011-01-01 327840000 2012-01-01 -1793800000 2013-01-01 -3295820000