Year DOD, current US$ 1970 18372000 1971 19922000 1972 22975000 1973 25552000 1974 25453000 1975 26292000 1976 28736000 1977 33758000 1978 38887000 1979 42226000 1980 44866000 1981 47097000 1982 47164000 1983 47105000 1984 46565000 1985 45896000 1986 45025000 1987 44100000 1988 43207000 1989 42244000 1990 41232000 1991 40219000 1992 39208000 1993 38093000 1994 36979000 1995 35607000 1996 34194000 1997 32699000 1998 31206000 1999 29715000 2000 28221000 2001 26727000 2002 25295000 2003 23742000 2004 22249000 2005 20755000 2006 19263000 2007 17770000 2008 16276000 2009 14784000 2010 13291000 2011 11798000 2012 10521000 2013 9311000 2014 8166000 2015 7020000 2016 6146000 2017 5272000 2018 4398000 2019 3600000 2020 2879000 2021 2158000 2022 1437000