Year	US Dollars, Sum Over Component Sub-periods
1994-01-01	-13044000000
1995-01-01	13411000000
1996-01-01	-12040000000
1997-01-01	-35863000000
1998-01-01	-5890000000
1999-01-01	-14185000000
2000-01-01	-21697000000
2001-01-01	-6380000000
2002-01-01	-2178000000
2003-01-01	6760000000
2004-01-01	-8964000000
2005-01-01	9030000000
2006-01-01	-19083000000
2007-01-01	79688000000
2008-01-01	-114276000000
2009-01-01	-19044000000
2010-01-01	-13380000000
2011-01-01	-42438000000