Year	DOD, current US$
1972	0
1973	217000
1974	2525000
1975	4722000
1976	6498000
1977	9655000
1978	13138000
1979	18055000
1980	22939000
1981	28770000
1982	36386234.4
1983	46868380
1984	60387890.3
1985	75691705.6
1986	90403276
1987	104651547.3
1988	101948886
1989	100561756.6
1990	105333586.6
1991	105675313.8
1992	103231000
1993	103504000
1994	106491000
1995	108142000
1996	105905000
1997	102365000
1998	104549000
1999	103168000
2000	100149000
2001	97938000
2002	102205000
2003	107871000
2004	110892000
2005	105866000
2006	108906000
2007	76618000
2008	72013000
2009	68993000
2010	0
2011	13723000
2012	36970000
2013	58947000
2014	102315000
2015	164323000
2016	231253000
2017	306397000
2018	367648000
2019	454936000
2020	550147000
2021	616289000
2022	703282000