Year	DOD, current US$
1984	0
1985	1098420
1986	2129591.2
1987	3038769.7
1988	3552648
1989	4888675.2
1990	6189993.7
1991	7870226.2
1992	7604000
1993	7639000
1994	7983000
1995	8124000
1996	7782000
1997	7286000
1998	7611000
1999	7372000
2000	6998000
2001	7716000
2002	10128000
2003	11476000
2004	13292000
2005	15273000
2006	16486000
2007	18170000
2008	19348000
2009	20393000
2010	21319000
2011	21695000
2012	22848000
2013	27409000
2014	28528000
2015	28270000
2016	28590000
2017	30513000
2018	30345000
2019	68334000
2020	116897000
2021	201965000
2022	214300000