Year	PPG (DOD, current US$)
1981	39370101.9
1982	59004887.4
1983	71694378.4
1984	76251079.2
1985	93895968.8
1986	106430830
1987	119133293.6
1988	119836332.9
1989	123606668.9
1990	129104576.6
1991	129530990
1992	135988629.8
1993	140614318.2
1994	166142676.1
1995	184899804.7
1996	196709703.1
1997	199573453.7
1998	241245026.2
1999	308449740.9
2000	314987566.1
2001	341256876.3
2002	380584683
2003	431385788.8
2004	452618676.5
2005	463306665.9
2006	509521549.2
2007	564855486.3
2008	611384188
2009	697714895.7
2010	862209748
2011	1021559078
2012	1231357119.6
2013	1477320513.9
2014	1537460942.8
2015	1537853448
2016	1539766235.7
2017	1777335317.2
2018	1755207699.8
2019	1809606380.5
2020	2025244575.9
2021	1982531324.3
2022	1922274592.7