Year	PPG (DOD, current US$)
1970	13395451790.000002
1971	15183026067.3
1972	18537834531.1
1973	23701113954.8
1974	31996013401.899998
1975	40478929339.6
1976	51983905524.100006
1977	65451242469.2
1978	83525377231.70001
1979	97335426571.7
1980	112386185652
1981	131469209383.39996
1982	155812393781.1
1983	195974864392.1
1984	214358969755.40002
1985	237418525590.00006
1986	259721262147.50006
1987	291150341769.8
1988	289179504712.1
1989	285832308243.10004
1990	283702687602.0999
1991	286529128108.3
1992	284714583241.0999
1993	288173142351.10004
1994	308157325048.70013
1995	333071395403.00006
1996	335125844046.6
1997	321213179962.1999
1998	348702185137.00006
1999	361369365970.6
2000	359352500857.6
2001	369820790755.10004
2002	385897685886.6001
2003	409577278495
2004	419561412021.9
2005	370762002673.8999
2006	354994934213.39996
2007	372493562645.60004
2008	382185498396.4
2009	388080058194.4001
2010	425636032318.99994
2011	452365579861.3
2012	514782657981.2
2013	574139539536.4999
2014	664932402709.2
2015	691171593083.7002
2016	752022696556.8999
2017	814088819326.6
2018	848515145139.5001
2019	857425960578.3002
2020	890118654273.4999
2021	896340869417.2001
2022	901511535129.7001