Year	US Dollars, Sum Over Component Sub-periods
2003-01-01	1352300000
2004-01-01	-1124500000
2005-01-01	1830800000
2006-01-01	3344600000
2007-01-01	6134300000
2008-01-01	7916400000
2009-01-01	5874000000
2010-01-01	1531000000
2011-01-01	4908400000
2012-01-01	2521700000
2013-01-01	-3310700000