Year	PNG (DOD, current US$)
1970	15000000
1971	16000000
1972	24000000
1973	32000000
1974	40000000
1975	55000000
1976	75000000
1977	150000000
1978	125000000
1979	100000000
1980	150000000
1981	210000000
1982	250000000
1983	225000000
1984	168700000
1985	200000000
1986	200000000
1987	200000000
1988	200000000
1989	200000000
1990	200000000
1991	200000000
1992	204000000
1993	179370000
1994	258477000
1995	331000000
1996	392000000
1997	952450000
1998	1117158000
1999	2095041000
2000	1861673000
2001	1753406000
2002	1912043000
2003	2492545000
2004	2598433000
2005	3050748000
2006	2587532000
2007	2974693000
2008	2656153000
2009	2354142000
2010	2588544000
2011	2833303000
2012	3699330000
2013	4767710000
2014	4571947000
2015	5615242000
2016	6488660000
2017	8110799000
2018	8700381000
2019	9035563266.2
2020	10008034741.3
2021	10101912286.6
2022	9820392080.6