Year DOD, current US$ 1970 0 1971 0 1972 0 1973 0 1974 0 1975 0 1976 13732830.6 1977 21768817.9 1978 40563669.4 1979 45046099.3 1980 61469501.9 1981 60099935.1 1982 72272066.4 1983 63265518.2 1984 47352601.9 1985 45733899.4 1986 56265889.6 1987 78788120.4 1988 70697695.2 1989 68722683 1990 69939388.2 1991 56483391.6 1992 57776125 1993 63326608 1994 85863994.7 1995 99794020.4 1996 107277570 1997 112567924.1 1998 110312112.9 1999 119894235.2 2000 110856794.5 2001 116815567 2002 125907866.3 2003 118724545.1 2004 105424530.9 2005 83220675 2006 14622768 2007 28600944.8 2008 30850067.8 2009 112835038 2010 144848062.2 2011 178299120.3 2012 211434608.7 2013 225981558.6 2014 209611662.3 2015 196098891.3 2016 180047696.9 2017 199723433.1 2018 220881344.6 2019 244042441.7 2020 424316052.6 2021 594382310.3 2022 556369884.1