Year DOD, current US$ 1970 7999000 1971 7999000 1972 13477000 1973 15833000 1974 15758000 1975 16613000 1976 18069000 1977 18850000 1978 20813000 1979 23811000 1980 26572000 1981 27018000 1982 26762000 1983 26409000 1984 26056000 1985 25788000 1986 25230000 1987 24757000 1988 24283000 1989 24015000 1990 23337000 1991 22737000 1992 22138000 1993 21537000 1994 20937000 1995 20218000 1996 19498000 1997 18657000 1998 17818000 1999 16978000 2000 16137000 2001 15298000 2002 14458000 2003 13617000 2004 12778000 2005 11938000 2006 11097000 2007 10258000 2008 9418000 2009 8577000 2010 7738000 2011 6898000 2012 6203000 2013 5652000 2014 5102000 2015 4552000 2016 4001000 2017 3451000 2018 2901000 2019 2350000 2020 1800000 2021 1440000 2022 1080000