Year	US Dollars, Sum Over Component Sub-periods
1995-01-01	-97000000
1996-01-01	57000000
1997-01-01	65000000
1998-01-01	-156000000
1999-01-01	-876000000
2000-01-01	-627000000
2001-01-01	38000000
2002-01-01	247000000
2003-01-01	-227000000
2004-01-01	-897000000
2005-01-01	-619000000
2006-01-01	-683000000
2007-01-01	-1972000000
2008-01-01	-2965000000
2009-01-01	-240000000
2010-01-01	-66000000
2011-01-01	203000000
2012-01-01	1319000000
2013-01-01	2789000000