Year	PNG (DOD, current US$)
1978	158900000
1979	259700000
1980	304700000
1981	303400000
1982	233800000
1983	181600000
1984	162000000
1985	198500000
1986	224300000
1987	254300000
1988	256000000
1989	259000000
1990	261000000
1991	225000000
1992	205000000
1993	181000000
1994	157200000
1995	133400000
1996	109636000
1997	95836000
1998	72036000
1999	70000000
2000	68000000
2001	61642000
2002	53626000
2003	45610000
2004	39094000
2005	32578000
2006	26062000
2007	19547000
2008	13031000
2009	6516000
2010	0