Year DOD, current US$ 1970 205547537.2 1971 230545489.7 1972 277866666.7 1973 282878601.1 1974 419353322.8 1975 491365106.2 1976 567663297.6 1977 813716218 1978 998400248.5 1979 973789596.7 1980 996824512.7 1981 1219725516.4 1982 1535580026.8 1983 1840051299.4 1984 1927867239.5 1985 1947465463 1986 1955293877.5 1987 2073829069 1988 2098775766.3 1989 2171656069.6 1990 2232089054.6 1991 2272547389.7 1992 2346752650.2 1993 1992942227.9 1994 2163863049.9 1995 2569443217.7 1996 2872513549.1 1997 3203304451.6 1998 3310661338.2 1999 3762995865.5 2000 4535064825 2001 5344553477.7 2002 6114021552.3 2003 8616503266.2 2004 9147790266.4 2005 9621574748.3 2006 10004564795.6 2007 9864898765.1 2008 10688436435.5 2009 10405779193 2010 11495710496.5 2011 12729163388.5 2012 13548206071 2013 14131937323.3 2014 15168975769.4 2015 15570377313.2 2016 16566778003.6 2017 17179362768.2 2018 16724734483.9 2019 17398214891.6 2020 18479126634.2 2021 20326023714.6 2022 21299072243.1