Year	US Dollars, Sum Over Component Sub-periods
1980-01-01	107090000.0000000
1981-01-01	103170000.0000000
1982-01-01	69040000.0000000
1983-01-01	-74850000.0000000
1984-01-01	-406340000.0000000
1985-01-01	-312500000.0000000
1986-01-01	-590230000.0000000
1987-01-01	-445980000.0000000
1988-01-01	-371440000.0000000
1989-01-01	-1908530000.0000000
1990-01-01	-1593620000.0000000
1991-01-01	-683540000.0000000
1992-01-01	975780000.0000000
1993-01-01	-1031510000.0000000
1994-01-01	-1688110000.0000000
1995-01-01	462610000.0000000
1996-01-01	1565040000.0000000
1997-01-01	51570000.0000000
1998-01-01	-906600000.0000000
1999-01-01	-760680000.0000000
2000-01-01	-628210000.0000000
2001-01-01	1082000000.0000000
2002-01-01	-371650000.0000000
2003-01-01	-878440000.0000000
2004-01-01	74220000.0000000
2005-01-01	1289390000.0000000
2006-01-01	-169950000.0000000
2007-01-01	-3704700000.0000000
2008-01-01	-399870000.0000000
2009-01-01	1034369999.9999999
2010-01-01	-448270000.0000000
2011-01-01	-2523600000.0000000
2012-01-01	509350000.0000000
2013-01-01	-712890000.0000000