Year	US Dollars, Sum Over Component Sub-periods
1980-01-01	3000000
1981-01-01	-113600000
1982-01-01	-189400000
1983-01-01	-100200000
1984-01-01	-24100000
1985-01-01	-95900000
1986-01-01	-127000000
1987-01-01	-167300000
1988-01-01	-147200000
1989-01-01	-109400000
1990-01-01	-199400000
1991-01-01	-331000000
1992-01-01	-579500000
1993-01-01	-615400000
1994-01-01	-741600000
1995-01-01	-820200000
1996-01-01	-815200000
1997-01-01	-922900000
1998-01-01	-1125000000
1999-01-01	-829500000
2000-01-01	-3335400000
2001-01-01	-687400000
2002-01-01	-980900000
2003-01-01	-2085900000
2004-01-01	-4533400000
2005-01-01	-2946100000
2006-01-01	-15462200000
2007-01-01	-8604200000
2008-01-01	-7210000000
2009-01-01	-1694900000
2010-01-01	-9088300000
2011-01-01	-9165200000
2012-01-01	-3257000000
2013-01-01	-4669900000
2014-01-01	-3975400000