Year	PNG (DOD, current US$)
1970	9200000
1971	11900000
1972	20100000
1973	22200000
1974	34400000
1975	33600000
1976	37900000
1977	42800000
1978	86200000
1979	160000000
1980	178000000
1981	250000000
1982	361000000
1983	532800000
1984	609207000
1985	381100000
1986	504891000
1987	519750000
1988	426827000
1989	377768000
1990	229913000
1991	184110000
1992	253461000
1993	268568000
1994	233235000
1995	197131000
1996	208929000
1997	197543000
1998	178747000
1999	354826000
2000	316933000
2001	225986000
2002	177335000
2003	614886000
2004	632423000
2005	592226000
2006	489195000
2007	636025000
2008	635544000
2009	615324000
2010	577210000
2011	461174000
2012	367940000
2013	224888000
2014	565203000
2015	917636000
2016	1012332000
2017	925490000
2018	702622000
2019	1402950000
2020	1695348000
2021	570728000
2022	504418000