Year US Dollars, Sum Over Component Sub-periods 2003-01-01 17885500000 2004-01-01 22869300000 2005-01-01 30664500000 2006-01-01 36433400000 2007-01-01 44429600000 2008-01-01 58436000000 2009-01-01 40102600000 2010-01-01 55372100000 2011-01-01 70398200000 2012-01-01 75457700000 2013-01-01 74567800000