Year DOD, current US$ 1970 0 1971 0 1972 0 1973 0 1974 0 1975 0 1976 0 1977 0 1978 0 1979 1449063 1980 1400000 1981 3400000 1982 3000000 1983 2400000 1984 3700000 1985 3100000 1986 2290000 1987 4456011.1 1988 2964577.1 1989 4928100 1990 5334975 1991 5364112.7 1992 5156250 1993 4738781.8 1994 4598527.4 1995 5908797.8 1996 7657137.2 1997 12194521.1 1998 15417928.9 1999 18998831.8 2000 26299759.5 2001 24707814.5 2002 25082328.3 2003 22270826.7 2004 17672322 2005 13232753.3 2006 10031941 2007 7107016.4 2008 10465210.4 2009 31268763.8 2010 24669366.3 2011 32005400.6 2012 32039795.4 2013 32103988.5 2014 35346496.2 2015 37743143.7 2016 42514491.9 2017 51604928 2018 52594174 2019 50290600.8 2020 48861107.7 2021 102650410.8 2022 94925093.4