Year	US Dollars, Sum Over Component Sub-periods
2003-01-01	5746600000
2004-01-01	9106600000
2005-01-01	12347100000
2006-01-01	21169900000
2007-01-01	23803100000
2008-01-01	18294000000
2009-01-01	15766500000
2010-01-01	20645700000
2011-01-01	19926900000
2012-01-01	17747900000
2013-01-01	17589600000