Year	DOD, current US$
1970	267976000
1971	320126000
1972	388390000
1973	476676000
1974	549973000
1975	706065000
1976	956667000
1977	1240470000
1978	1541584000
1979	1868170000
1980	2233752000
1981	2605820711.5
1982	3022531781.7
1983	3510383467.299999
1984	3996869690.0000005
1985	4840681914.5
1986	6003042728.8
1987	7672288319.700001
1988	8377073531.2
1989	9218135696.599998
1990	10907100979.6
1991	11969199071.599998
1992	12491915000
1993	13579689000
1994	15173403000
1995	16406700000
1996	17018007000
1997	16908037000
1998	18127320000
1999	17982531000
2000	17877873000
2001	18630977000
2002	21515672000
2003	24815432000
2004	27303242000
2005	26716796000
2006	14292059000
2007	15588103000
2008	16408323000