Year US Dollars, Sum Over Component Sub-periods 1995-01-01 309350000 1996-01-01 215800000 1997-01-01 98740000 1998-01-01 70680000 1999-01-01 76470000 2000-01-01 31530000 2001-01-01 42840000 2002-01-01 -167170000 2003-01-01 -252930000 2004-01-01 -401470000 2005-01-01 -366720000 2006-01-01 -551460000 2007-01-01 -1079420000 2008-01-01 -1506030000 2009-01-01 -1005280000 2010-01-01 -779290000 2011-01-01 -728490000 2012-01-01 -693740000 2013-01-01 -750060000