Year	DOD, current US$
1970	4991000
1971	3430000
1972	2450000
1973	1470000
1974	490000
1975	11776000
1976	32367000
1977	56367000
1978	74834000
1979	70389000
1980	87278000
1981	80432000
1982	72897000
1983	64950000
1984	43739000
1985	46095000
1986	46407000
1987	50190000
1988	36576000
1989	30168000
1990	48510000
1991	87100000
1992	81307000
1993	83097000
1994	88310000
1995	91708000
1996	86535000
1997	82162000
1998	84192000
1999	82391000
2000	81055000
2001	80530000
2002	0