Year	PNG (DOD, current US$)
1970	15000000
1971	16000000
1972	24000000
1973	32000000
1974	40000000
1975	55000000
1976	97000000
1977	332000000
1978	390000000
1979	455000000
1980	595000000
1981	691400000
1982	842100000
1983	937100000
1984	940230000
1985	1196040000
1986	1397000000
1987	1523700000
1988	1566000000
1989	1506000000
1990	1418000000
1991	1263000000
1992	1012000000
1993	882370000
1994	831477000
1995	887000000
1996	1117000000
1997	2151150000
1998	2467258000
1999	4019441000
2000	3970473000
2001	4382503000
2002	4877542000
2003	5699581000
2004	5857392000
2005	6785247000
2006	6671369000
2007	6734418000
2008	26997874000
2009	28174014000
2010	30747202000
2011	32663668000
2012	35422155000
2013	38106816000
2014	39845061000
2015	42173979000
2016	44369098000
2017	47946186000
2018	56463307000
2019	51508537266.2
2020	42631929741.3
2021	37203902286.6
2022	33668258080.6