Year	DOD, current US$
1996	4134135.1
1997	5363268.6
1998	8867773.1
1999	14352336.5
2000	14945680.6
2001	16965854.9
2002	22079964.4
2003	22185532.1
2004	22996972.1
2005	20385678.1
2006	19815956.8
2007	17943738.8
2008	19242593.2
2009	39542067.5
2010	35485589.9
2011	39663918.5
2012	57508686.6
2013	57623907.6
2014	52878485.8
2015	49096434.4
2016	45796005.7
2017	43954479
2018	36733586.9
2019	31639049.4
2020	72343244.8
2021	109255094.2
2022	103056548.9