Year	PPG (DOD, current US$)
1970	3563841591.8
1971	4376151343.7
1972	6209808907.8
1973	8114945243.1
1974	11580997097.7
1975	14882558034.8
1976	18623475423.8
1977	23493399632.3
1978	31802650621.5
1979	37288368959
1980	41839110578.5
1981	46770175735.5
1982	53271501811.2
1983	60603760812.4
1984	69857773423.2
1985	72998962764.9
1986	81073390256.7
1987	88692776420.9
1988	92700054835
1989	88486466771.6
1990	88105161011.2
1991	85950307951.4
1992	91467585844.6
1993	92057533816.6
1994	95840926759.6
1995	98763857925.5
1996	96829028507.9
1997	88266784835.1
1998	99176483490.9
1999	93029551709
2000	96621779221.7
2001	96618417433.9
2002	99686853023.3
2003	100064364208.9
2004	97455861807.8
2005	94354180319
2006	84551656462
2007	79869902875
2008	79918497337.9
2009	87513195186.8
2010	97485566992.5
2011	94712068704.8
2012	116646485320.1
2013	136526966244
2014	174931295064.9
2015	172887433044.3
2016	174682574897.5
2017	181160747497.2
2018	190216062033.1
2019	193800230034.2
2020	194303318495.8
2021	194161839058.3
2022	189688596679.7