Year	Dollars
1976-01-01	-554000000
1977-01-01	605000000.000000000
1978-01-01	-70000000.000000119
1979-01-01	4308000000
1980-01-01	2305000000
1981-01-01	1355000000
1982-01-01	-1972000000.000000000
1983-01-01	-2391000000.000000000
1984-01-01	257000000.000000000
1985-01-01	638000000.000000000
1986-01-01	410000000.000000000
1987-01-01	100000000.000000000
1988-01-01	369000000.000000000
1989-01-01	-8083000000.000000000
1990-01-01	-5884000000.000000000
1991-01-01	182000000.000000000
1992-01-01	7579377230.522607800
1993-01-01	21019834222.561989000
1994-01-01	12399918149.039017000
1995-01-01	5466095694.501727100
1996-01-01	11582033500.022793000
1997-01-01	17674490467.940659000
1998-01-01	18935898101.405056000
1999-01-01	14448133145.796932000
2000-01-01	7852703829.391346900
2001-01-01	-14971014630.811028000
2002-01-01	-20685220000.000000000
2003-01-01	-15859610000.000000000
2004-01-01	-10892389994.367201000
2005-01-01	1954940000
2006-01-01	5178135464.692999800
2007-01-01	4054602591.559909800
2008-01-01	-11298530000.000000000