Year	PNG (DOD, current US$)
1970	11000000
1971	12000000
1972	14000000
1973	13000000
1974	15000000
1975	16400000
1976	25000000
1977	20000000
1978	60000000
1979	95000000
1980	92000000
1981	80000000
1982	128800000
1983	376000000
1984	340000000
1985	555000000
1986	555000000
1987	200000000
1988	200000000
1989	200000000
1990	176500000
1991	142000000
1992	140300000
1993	184400000
1994	190500000
1995	239100000
1996	285000000
1997	426000000
1998	642612000
1999	643210000
2000	1026314000
2001	978953000
2002	923174000
2003	1030866000
2004	1085096000
2005	1914057000
2006	2387724000
2007	2621435000
2008	2968561000
2009	2646605000
2010	2357793000
2011	2173000000
2012	1845819000
2013	2356891000
2014	2612416000
2015	2906279000
2016	3288512000
2017	3335637000
2018	2412000000
2019	2437000000
2020	2383000000
2021	1941613000
2022	1402956000