Year DOD, current US$ 1970 352000 1971 423260.5 1972 746895 1973 27902 1974 17414 1975 106347.5 1976 530477 1977 53399930 1978 52279000 1979 64670304 1980 56515000 1981 58626820.7 1982 67871225.8 1983 62740593.6 1984 67730468.4 1985 77340837.5 1986 83289000 1987 97561591 1988 133608305 1989 111754535.6 1990 145405222.9 1991 275744720.5 1992 318646857 1993 368129041.8 1994 423921411.3 1995 460656408.5 1996 501862457.1 1997 565772607.5 1998 626004063 1999 87447449.3 2000 85825759.7 2001 53672134.6 2002 56914708.7 2003 64119572.9 2004 72814020.1 2005 127913139 2006 62994572.9 2007 66179228.6 2008 57979886.4 2009 229000696.4 2010 302080274 2011 180990472.7 2012 36090022.3 2013 203836189.6 2014 291806699.9 2015 549955174.6 2016 927483313.1 2017 634011719.6 2018 749375572.9 2019 482233416.8 2020 408151542.9 2021 531323694.8 2022 337989655.3