Year US Dollars, Sum Over Component Sub-periods 1998-01-01 -8620000000.0000000 1999-01-01 3860000000.0000000 2000-01-01 12330000000.0000000 2001-01-01 -3929999999.9999995 2002-01-01 -1030000000.0000001 2003-01-01 12040000000.0000000 2004-01-01 34470000000.0000000 2005-01-01 50240000000.0000000 2006-01-01 45490000000.0000000 2007-01-01 90360000000.0000000 2008-01-01 -14990000000.0000000 2009-01-01 61860000000.0000000 2010-01-01 188710000000.0000000 2011-01-01 192300000000.0000000 2012-01-01 -28400000000.0000000