Year	PPG (DOD, current US$)
1970	11617442948.599998
1971	12936996751.400002
1972	13905497004.3
1973	15550399280.599998
1974	17740135141.4
1975	19517439768
1976	21795217282.899998
1977	24203054918.9
1978	26486378516.7
1979	28698384582.2
1980	31186023487.5
1981	32307082126.999992
1982	35900471840.8
1983	38204221618.5
1984	40958073806.1
1985	48412080309.799995
1986	57394366845.799995
1987	69460702664.9
1988	77524139792.2
1989	93204186310.7
1990	105337835907.2
1991	109963303952.6
1992	114127432194.69998
1993	122917805073.5
1994	129670162878.1
1995	128211279027.4
1996	126360597900.4
1997	126543197842.70001
1998	137464546317.6
1999	142733806871.7
2000	134619913093.69998
2001	130965848494.1
2002	138538893837
2003	126239603546.9
2004	129653925373.3
2005	116517364471.40002
2006	127810182572.09999
2007	145255493608
2008	156882613300.80002
2009	170316383045.3
2010	189253739720.40002
2011	201853221167.2
2012	221321724043.40002
2013	225713776460.89996
2014	262062045405.2
2015	276209553742.2
2016	275696827709.4
2017	327837839481.3
2018	340776055205.1
2019	366441824230.1
2020	387066103726.7
2021	417437971351.1
2022	418608485617.8