Year	PNG (DOD, current US$)
1970	1799400000
1971	1840300000
1972	1787300000
1973	1771000000
1974	2128000000
1975	2056000000
1976	2436000000
1977	2134000000
1978	1830000000
1979	1186000000
1980	610000000
1981	635000000
1982	819000000
1983	722000000
1984	546000000
1985	407000000
1986	375000000
1987	387000000
1988	386000000
1989	384000000
1990	330000000
1991	218000000
1992	228000000
1993	564000000
1994	1173000000
1995	1288000000
1996	1378000000
1997	2895500000
1998	4036500000
1999	4378328000
2000	4937849000
2001	5256017000
2002	4515675000
2003	4349844000
2004	4009380000
2005	3572235000
2006	3939725000
2007	6907024000
2008	9744069000
2009	10861743000
2010	14812968000
2011	17608290000
2012	31782716000
2013	38938096000
2014	44140945000
2015	39855472000
2016	41294866000
2017	39062340000
2018	37777824000
2019	36231071000
2020	34359956000
2021	33678824000
2022	34344578000
