Year	Dollars
1960-01-01	25760004.120
1961-01-01	28000004.480
1962-01-01	22400003.590
1963-01-01	29120004.660
1964-01-01	51520008.250
1965-01-01	50400008.070
1966-01-01	59360009.500
1967-01-01	60480009.680
1968-01-01	86240013.810
1969-01-01	75040012.020
1970-01-01	85120013.630
1971-01-01	58087296.030
1972-01-01	58438668.970
1973-01-01	32618308.970
1974-01-01	8156105.320
1975-01-01	-49356452.800
1976-01-01	-8804936.400
1977-01-01	8140497.727
1978-01-01	36799860.950
1979-01-01	72171074.150
1980-01-01	178919353.400
1981-01-01	203960759.000
1982-01-01	202580204.500
1983-01-01	331966378.200
1984-01-01	335004542.000
1985-01-01	537822491.200
1986-01-01	627207928.800
1987-01-01	943638635.000
1988-01-01	1838154731.000
1989-01-01	1681632739.000
1990-01-01	1516385222.000
1991-01-01	1632731624.000
1992-01-01	1050391980.000
1993-01-01	260094048.600
1994-01-01	322559728.900
1995-01-01	558262643.700
1996-01-01	964324868.000
1997-01-01	902828054.100
1998-01-01	669745617.600
1999-01-01	819227496.500
2000-01-01	614993235.100
2001-01-01	644666973.700
2002-01-01	583287754.700
2003-01-01	888710112.300
2004-01-01	1075563240.000
2005-01-01	1251995621.000
2006-01-01	1736674763.000
2007-01-01	1631522316.000
2008-01-01	1994376169.000