Year DOD, current US$ 1970 2682000 1971 2610000 1972 4379777.5 1973 9456791.6 1974 13799580.8 1975 17391126.3 1976 22628900.5 1977 31252284.1 1978 41241571.8 1979 52517271.4 1980 59194566.4 1981 62601249.9 1982 65784847.2 1983 67685684.9 1984 73522284.2 1985 75130478.4 1986 74756808.8 1987 79618722.4 1988 74958145.3 1989 73538371.7 1990 91806619.4 1991 113648764.5 1992 117763888.7 1993 140498861 1994 154590275 1995 160047723.2 1996 153447044.2 1997 138788873.6 1998 143914846.6 1999 148001778.4 2000 139172179.4 2001 135466609.5 2002 148295167 2003 168610857.8 2004 176496322.7 2005 169098029.9 2006 165440757.3 2007 187694141.1 2008 207365268.1 2009 252885686.9 2010 325098258.9 2011 368308475.7 2012 422904430.8 2013 467876307.3 2014 483662948.9 2015 466304621 2016 444079880.5 2017 473243541.6 2018 446524190.6 2019 434855300.1 2020 477180399.1 2021 493266400.9 2022 459273052.2