Year US Dollars, Sum Over Component Sub-periods 1994-01-01 570950000 1995-01-01 -466320000 1996-01-01 -2874670000 1997-01-01 -1355800000 1998-01-01 1395550000 1999-01-01 969080000 2000-01-01 -2464100000 2001-01-01 1260290000 2002-01-01 -4729830000 2003-01-01 -2503300000 2004-01-01 -2704050000 2005-01-01 -21764430000 2006-01-01 -9937120000 2007-01-01 -820690000 2008-01-01 -13299130000 2009-01-01 -1540320000 2010-01-01 -6318370000 2011-01-01 -7150510000 2012-01-01 -3739290000 2013-01-01 -13789880000