Year	DOD, current US$
1991	0
1992	4550000
1993	25990000
1994	41694000
1995	54022000
1996	57119000
1997	58253000
1998	60757000
1999	56007000
2000	58584000
2001	54913000
2002	36710000
2003	18563000
2004	16196000
2005	12663000
2006	9063000
2007	4245000
2008	3264000
2009	2539000
2010	1813000
2011	1088000
2012	363000
2013	0