Year	PNG (DOD, current US$)
1978	158900000
1979	259700000
1980	629700000
1981	547400000
1982	477800000
1983	425600000
1984	406000000
1985	453927000
1986	478555000
1987	642994000
1988	650711000
1989	769658000
1990	778709000
1991	739467000
1992	718000000
1993	694500000
1994	2305200000
1995	2398400000
1996	2450636000
1997	2503836000
1998	2325036000
1999	2313000000
2000	1558869000
2001	1106511000
2002	1522115000
2003	1531286000
2004	1506445000
2005	1756248000
2006	2109776000
2007	3062821000
2008	4105642000
2009	5653025000
2010	9964465000
2011	12808467000
2012	19932398000
2013	31268305000
2014	37590828000
2015	43064069000
2016	45543035000
2017	49862762449.9
2018	51148383820
2019	53629180227.8
2020	57245741455.7
2021	62217618345.6
2022	64964464939.1