Year	DOD, current US$
1970	15814000
1971	13215000
1972	10391000
1973	7503000
1974	6423000
1975	36279000
1976	84972000
1977	137635000
1978	187216000
1979	227011000
1980	252522000
1981	274909000
1982	279870000
1983	323309000
1984	284402000
1985	479482000
1986	693242000
1987	924060000
1988	895204000
1989	960141000
1990	1207954000
1991	1412632000
1992	1473697000
1993	1511735000
1994	1708657000
1995	2049331000
1996	1939124000
1997	1795369000
1998	1676442000
1999	1539516000
2000	1424572000
2001	1328544000
2002	1202928000
2003	1056099000
2004	909342000
2005	778821000
2006	118585000
2007	112701000
2008	10536000
2009	9701000
2010	9170000
2011	8328000
2012	7182000
2013	1930000
2014	1519000
2015	1117000
2016	725000
2017	0