Year	US Dollars, Sum Over Component Sub-periods
2003-01-01	4333700000
2004-01-01	7241000000
2005-01-01	7096900000
2006-01-01	7426300000
2007-01-01	12571600000
2008-01-01	15518200000
2009-01-01	12887500000
2010-01-01	15725200000
2011-01-01	23443900000
2012-01-01	28541700000
2013-01-01	20258200000