Year	PNG (DOD, current US$)
1980	325000000
1981	244000000
1982	244000000
1983	244000000
1984	244000000
1985	244000000
1986	244000000
1987	372000000
1988	374000000
1989	496000000
1990	496000000
1991	496000000
1992	496000000
1993	496000000
1994	496000000
1995	496000000
1996	496000000
1997	496000000
1998	496000000
1999	496000000
2000	496000000
2001	0