Year DOD, current US$ 1970 0 1971 0 1972 12179.9 1973 51054.3 1974 1191907.5 1975 652899.6 1976 0 1977 111417428.6 1978 164142358.4 1979 242687275.6 1980 278249010.7 1981 252808413 1982 404122274.7 1983 335066579.2 1984 392539930.8 1985 546342530.2 1986 798703961.4 1987 766482031.1 1988 817721300.1 1989 599359707.9 1990 935978872.3 1991 965444535.6 1992 795094877.9 1993 896443369.7 1994 704415638.1 1995 990644866.2 1996 1212222083.1 1997 1279656732 1998 1304859134 1999 1197644145.4 2000 1224016346 2001 924311762.1 2002 735646024.9 2003 360577834.1 2004 547929535.9 2005 333817653.1 2006 493044168.3 2007 237492019.9 2008 40343582.4 2009 2539415.7 2010 8678680.1 2011 68003070.5 2012 157189568.1 2013 442522016 2014 176930528.1 2015 298852237.5 2016 262473514.8 2017 527612000 2018 433298000 2019 377264000 2020 368210142.7 2021 652441331.6 2022 878604036.6