Year	Dollars
1975-01-01	-6968000000.0000000
1976-01-01	-6520000000.0000000
1977-01-01	-5049000000.0000000
1978-01-01	-6996000000.0000000
1979-01-01	-10516000000.0000000
1980-01-01	-12831000000.0000000
1981-01-01	-11764000000.0000000
1982-01-01	-16317000000.0000000
1983-01-01	-6834000000.0000000
1984-01-01	33000000
1985-01-01	-280000000.0000000
1986-01-01	-5311000000.0000000
1987-01-01	-1452000000.0000000
1988-01-01	4156000000.0000000
1989-01-01	1002000000.0000000
1990-01-01	-3823000000.0000000
1991-01-01	-1450000000.0000000
1992-01-01	6089000000.0000000
1993-01-01	20000000
1994-01-01	-1153000000.0000000
1995-01-01	-18136000000.0000000
1996-01-01	-23248000000.0000000
1997-01-01	-30491000000.0000000
1998-01-01	-33829000000.0000000
1999-01-01	-25400000000.0000000
2000-01-01	-24224529661.1074830
2001-01-01	-23214529000.3070980
2002-01-01	-7636629350.9563999
2003-01-01	4177288492.4317169
2004-01-01	11737597028.8320010
2005-01-01	13984290478.2054000
2006-01-01	13619733249.8656010
2007-01-01	1550785091.7147999
2008-01-01	-28192023673.4539990