Year	DOD, current US$
1991	413716132.6
1992	589737500
1993	631700221.8
1994	940744828.3
1995	716668050.7
1996	585607783.7
1997	941803456.4
1998	1115532914.2
1999	2088438100.2
2000	2117878427.8
2001	1877394557.8
2002	1879708564.2
2003	2095263224.2
2004	2132016600
2005	1533190272.2
2006	1259947992
2007	965336223.8
2008	940913415.9
2009	957663625.8
2010	940766805.7
2011	937859037.7
2012	938866915
2013	940747971.4
2014	885040218.8
2015	846509552.5
2016	821220008
2017	869969423.8
2018	849601190.5
2019	844734960.7
2020	879825439.5
2021	2057317566.4
2022	1956259157.9