Year	DOD, current US$
1977	7015201.9
1978	10037746.2
1979	20000000
1980	23279920.8
1981	18493285.5
1982	19637307.1
1983	24920032.7
1984	45643328.3
1985	35401675.3
1986	28474201.9
1987	23376203.4
1988	13599414.1
1989	11100765.3
1990	15731793.1
1991	20503916.8
1992	21574175
1993	42608192.8
1994	23612032.2
1995	14825198.2
1996	22575580.8
1997	13228130.2
1998	15487295
1999	22177568.4
2000	27362083.2
2001	26796381.2
2002	37464331.1
2003	32765580
2004	26915971.4
2005	22469632.2
2006	17868603.1
2007	21617220
2008	15944275.2
2009	43452604.9
2010	44823303.5
2011	899714
2012	22541918.3
2013	12871944.2
2014	13646280.5
2015	12293691.9
2016	17882902.5
2017	14451792.4
2018	18784370.9
2019	25973647
2020	28876599.9
2021	37900000
2022	40461407