Year	DOD, current US$
1981	0
1982	0
1983	0
1984	0
1985	0
1986	0
1987	46000
1988	4502000
1989	1412200638
1990	1780277997.8
1991	1932225344.9
1992	2584984618.1
1993	2469040533.5
1994	2663357174.6
1995	3272163131.1
1996	3754151483.5
1997	2341748346.2
1998	2193024347
1999	2375801612.2
2000	823146086.6
2001	719124426.8
2002	678822231.3
2003	822397850.1
2004	1688015193.1
2005	2040422161.6
2006	2443097977.2
2007	4394600152.3
2008	4204445925.5
2009	4782884211.6
2010	6932477306.6
2011	10781404337.2
2012	12350407039
2013	12169250942.1
2014	13604210351.1
2015	11990675284
2016	12720044707.3
2017	21898102893.4
2018	19584944511.4
2019	24397230514.6
2020	26603668532.4
2021	33233026839.1
2022	38154037644