Year	Dollars
1975-01-01	6381000000.0000000
1976-01-01	8735000000.0000000
1977-01-01	6261000000.0000000
1978-01-01	11363000000.0000000
1979-01-01	6344000000.0000000
1980-01-01	9677000000.0000000
1981-01-01	12791000000.0000000
1982-01-01	9146000000.0000000
1983-01-01	-3828000000.0000000
1984-01-01	-5506000000.0000000
1985-01-01	-8676000000.0000000
1986-01-01	-8189000000.0000000
1987-01-01	-9757000000.0000000
1988-01-01	-9137000000.0000000
1989-01-01	-11426000000.0000000
1990-01-01	-5441000000.0000000
1991-01-01	-4868000000.0000000
1992-01-01	5889000000.0000000
1993-01-01	7604000000.0000000
1994-01-01	8020000000.0000000
1995-01-01	29306000000.0000000
1996-01-01	33428000000.0000000
1997-01-01	24918000000.0000000
1998-01-01	20063000000.0000000
1999-01-01	8056000000.0000000
2000-01-01	29376181319.0145000
2001-01-01	20331272335.3766290
2002-01-01	-3908903854.4861302
2003-01-01	-156555394.5640820
2004-01-01	-3332982894.3371201
2005-01-01	13144106405.2216000
2006-01-01	15113069908.3883990
2007-01-01	88329735785.3515930
2008-01-01	28296533905.4998020