Year	DOD, current US$
1974	8650000
1975	0
1979	0
1980	0
1981	10519000
1982	32814000
1983	59160000
1984	49322000
1985	52490000
1986	68785000
1987	90867000
1988	74111000
1989	60720000
1990	54052000
1991	43343000
1992	30261000
1993	19072000
1994	12705000
1995	10926000
1996	8114000
1997	5580000
1998	4007000
1999	1934000
2000	0