Year DOD, current US$ 1976 30530 1977 1128253.6 1978 1358185.6 1979 1652411.9 1980 1002000 1981 2054000 1982 1108936.8 1983 2172230.2 1984 3247652.4 1985 4565827.4 1986 7705225 1987 15163270.7 1988 11000645.7 1989 12780364.9 1990 12394301.9 1991 12523664.5 1992 11789662.1 1993 13998060.2 1994 9842225.9 1995 9988028.3 1996 9362482.6 1997 13815938.1 1998 12788211.4 1999 19841976.4 2000 28134324.6 2001 23898536.7 2002 29392135.8 2003 27467966.1 2004 33988537.7 2005 33739109 2006 36331315.5 2007 11623335.5 2008 5598493.9 2009 4744529.7 2010 4423143.8 2011 4673920.4 2012 4125469.5 2013 1605516.1 2014 1599581.4 2015 1473066.1 2016 1516180.4 2017 1102036.9 2018 1235495.5 2019 1896221.4 2020 1831756.8 2021 1764255.4 2022 1564579.4