Year DOD, current US$ 1970 886385671.3 1971 1044918127.3 1972 1096907621.7 1973 1189683146.5 1974 1397084493 1975 2497528434.8 1976 2994911158.6 1977 4890940572.8 1978 6088179652.2 1979 7167039187.2 1980 8487547338.5 1981 9200053289.6 1982 10353417296 1983 10832903168.8 1984 11688956211.7 1985 13579351562.2 1986 16060269733.7 1987 19043511584 1988 19792169326 1989 21102526263.5 1990 23869476892.2 1991 21630097611.1 1992 21861697857.3 1993 21515417130.7 1994 22618082254.2 1995 23535230964.6 1996 22797525190.8 1997 21340912411.5 1998 21814605885 1999 20915552713.9 2000 19104959058.9 2001 17104036431.1 2002 16284407907.5 2003 16956584516.2 2004 16767631050.6 2005 15499716515 2006 16135531400.4 2007 18677773099.6 2008 19242009009.3 2009 21634907146 2010 23683978450 2011 25269159476.4 2012 28847407126.8 2013 33068534553.6 2014 34713695195.2 2015 36742650315.3 2016 37920169893.9 2017 42876954182.2 2018 42184932559.3 2019 45528304169.9 2020 53659857924.5 2021 52209889637.1 2022 50884266277.5