Year US Dollars, Sum Over Component Sub-periods 2003-01-01 4698900000 2004-01-01 4430200000 2005-01-01 4227200000 2006-01-01 10084700000 2007-01-01 15953200000 2008-01-01 10252300000 2009-01-01 14268600000 2010-01-01 15709600000 2011-01-01 -798400000 2012-01-01 13130600000 2013-01-01 10699000000