Year	DOD, current US$
1970	5989000
1971	5559000
1972	5105000
1973	4624000
1974	4115000
1975	3577000
1976	3007000
1977	2404000
1978	2089000
1979	1432000
1980	736000
1981	0
1984	35398000
1985	37108000
1986	42528000
1987	49797000
1988	43552000
1989	36750000
1990	34432000
1991	29452000
1992	21176000
1993	15471000
1994	10867000
1995	0