Year	US Dollars, Sum Over Component Sub-periods
1999-01-01	-165335150000
2000-01-01	38174880000
2001-01-01	-64441020000
2002-01-01	-31741960000
2003-01-01	-152982580000
2004-01-01	-371065260000
2005-01-01	-125413320000
2006-01-01	-135365650000
2007-01-01	-460603050000
2008-01-01	-553691930000
2009-01-01	-228752240000