Year	DOD, current US$
1970	91203000
1971	92514000
1972	91302000
1973	86951000
1974	80714000
1975	74066000
1976	67041000
1977	60223000
1978	54201000
1979	48989000
1980	46149000
1981	48204000
1982	46838000
1983	44637000
1984	41340000
1985	42985000
1986	46308000
1987	48817000
1988	37179000
1989	28123000
1990	19355000
1991	14784000
1992	9346000
1993	6256000
1994	6292000
1995	6308000
1996	6269000
1997	6224000
1998	6250000
1999	2961000
2000	469000
2001	0