Year PPG (DOD, current US$) 1970 2486792436.8 1971 3426387550.4 1972 4203423463.7 1973 5244679342 1974 6357920877.2 1975 7993812015.2 1976 10003058797.7 1977 11703538470.3 1978 13219712413.7 1979 13375748316.7 1980 15020697366.2 1981 15908139319.3 1982 18317280486.7 1983 21492883588.6 1984 22273353802.3 1985 26783052568.2 1986 32618565378.8 1987 40878819897 1988 41158754894.8 1989 44240527545.8 1990 47958793863 1991 51871860844.5 1992 53649251692.3 1993 57141126589.4 1994 63921831286.8 1995 65310012875.8 1996 60078734948 1997 56035596435.3 1998 67553850804.4 1999 73936300133.2 2000 70042793095.1 2001 68860119636.6 2002 71605445734.8 2003 74511532834.5 2004 72414171020.1 2005 77716810204.1 2006 76635958550.5 2007 80287747385.3 2008 87763206854.3 2009 97457367374 2010 102747656653.5 2011 108145988093.7 2012 127405214905.4 2013 128197602647.3 2014 142185245594 2015 159671630483.9 2016 177183472438.3 2017 195078099429.7 2018 215335001678.6 2019 233801156970.1 2020 248069847245.3 2021 236058253231.5 2022 224070005159.9