Year	PPG (DOD, current US$)
1970	5757462682.700002
1971	7471074525.5
1972	8505223860.099998
1973	10864361328.600002
1974	13335240994.900002
1975	15690989568.999998
1976	17810322849
1977	22822187675.8
1978	29143725995.399998
1979	35160997570.299995
1980	41780725254.99999
1981	47329556217.1
1982	54862716251.5
1983	60868709098.899994
1984	62719353308.700005
1985	74817289591.8
1986	92347370297.70003
1987	116782375740.00002
1988	117870090532.79997
1989	128979028366.79997
1990	143697400713.09998
1991	148724032161
1992	145176476034.20004
1993	147730480811.1
1994	166378546353.2
1995	175303475563.8
1996	170973104245.3
1997	169811277616.60004
1998	172563233059.4
1999	158140289120.60004
2000	163398041603.50003
2001	155472668503.09998
2002	172134469060.99997
2003	188844414218.49997
2004	193411021485.29996
2005	172395871797.19998
2006	121402469523.70001
2007	129863744448.70003
2008	138343147772.2
2009	151013407467.00003
2010	160253556383
2011	181505376466.7
2012	206982963759.49994
2013	233752946659.99994
2014	263232825804.69998
2015	272254630999.80017
2016	307279929623.30005
2017	363260775908.3
2018	391699299611.4001
2019	431356322617.7999
2020	461916154029
2021	474719099720.4001
2022	480653754780.00006