Year US Dollars, Sum Over Component Sub-periods 2003-01-01 -879900000 2004-01-01 -599900000 2005-01-01 -1371200000 2006-01-01 -642300000 2007-01-01 464500000 2008-01-01 1272400000 2009-01-01 645700000 2010-01-01 -855300000 2011-01-01 -581400000 2012-01-01 -337100000 2013-01-01 -1495700000