Year	Dollars
1977-01-01	-4959999999.9999962
1978-01-01	-6699999999.9999981
1979-01-01	-6819999999.9999828
1980-01-01	18879999999.9999890
1981-01-01	-1560000000.0000000
1982-01-01	-16200000000.0000000
1983-01-01	-21320000000.0000000
1984-01-01	-36570000000.0000000
1985-01-01	-55214032227.6350020
1986-01-01	-72892464482.0608060
1987-01-01	-41358723709.7386020
1988-01-01	-64362388271.1548000
1989-01-01	-53288404783.4439010
1990-01-01	-30708547656.0098990
1991-01-01	-67663135180.7193600
1992-01-01	-100277601759.0243200
1993-01-01	-102207428628.5967100
1994-01-01	-85110409030.3509520
1995-01-01	-63979521052.5398860
1996-01-01	-28016846791.7683030
1997-01-01	-120508721126.3508900
1998-01-01	-114816321377.9963100
1999-01-01	-38845447444.2651370
2000-01-01	-78312654227.7008670
2001-01-01	-48160329329.8861690
2002-01-01	-63380501710.3265610
2003-01-01	71924336147.2078550
2004-01-01	22506363394.9958000
2005-01-01	-122681721900.4091800
2006-01-01	-102342909933.7870000
2007-01-01	-187239007152.8360000
2008-01-01	-172621855873.2340100