Year	PNG (DOD, current US$)
1976	100000
1977	400000
1978	400000
1979	1100000
1980	3300000
1981	4000000
1982	2500000
1983	40230000
1984	44349000
1985	98512000
1986	96040000
1987	116760000
1988	113296000
1989	131913000
1990	101767000
1991	98676000
1992	99441000
1993	89796000
1994	82557000
1995	89552000
1996	87538000
1997	135750000
1998	195752000
1999	212572000
2000	367881000
2001	389360000
2002	328613000
2003	268350000
2004	295896000
2005	387896000
2006	492900000
2007	638900000
2008	733700000
2009	966800000
2010	919000000
2011	1212670000
2012	3244727000
2013	4446217000
2014	7292237000
2015	7644511000
2016	8048638000
2017	8801820000
2018	8838953000
2019	8826412000
2020	8983706000
2021	9031759000
2022	9314447545.5