Year US Dollars, Sum Over Component Sub-periods 2003-01-01 3765400000 2004-01-01 10156100000 2005-01-01 11309500000 2006-01-01 22946800000 2007-01-01 24131800000 2008-01-01 6074100000 2009-01-01 15360000000 2010-01-01 15736500000 2011-01-01 11039600000 2012-01-01 2507600000 2013-01-01 2116500000