Year	Dollars
1976-01-01	0
1977-01-01	0
1978-01-01	0
1979-01-01	0
1980-01-01	4000000
1981-01-01	-35400000
1982-01-01	-96600000
1983-01-01	-79600000
1984-01-01	-82000000
1985-01-01	-92700000
1986-01-01	-96200000
1987-01-01	-209100000
1988-01-01	-353400000
1989-01-01	-318400000
1990-01-01	-331200000
1991-01-01	-329500000
1992-01-01	-407000000
1993-01-01	-475100000
1994-01-01	-436500000
1995-01-01	-487600000
1996-01-01	-597600000
1997-01-01	-607600000
1998-01-01	171100000
1999-01-01	-389300000
2000-01-01	-615200000
2001-01-01	-731000000
2002-01-01	-1086800000
2003-01-01	-1398400000
2004-01-01	-1752800000
2005-01-01	-2340400000
2006-01-01	-3126100000
2007-01-01	-2387500000
2008-01-01	109300000