Year	DOD, current US$
1970	20405000
1971	44564000
1972	66665000
1973	72545000
1974	70550000
1975	68415000
1976	66135000
1977	63705000
1978	61110000
1979	58345000
1980	55395000
1981	52245000
1982	48880000
1983	45295000
1984	48411000
1985	55209000
1986	61063000
1987	64845000
1988	47433000
1989	36909000
1990	27763000
1991	14634000
1992	0