Year	NFL, current US$
1971	-93000
1972	-95000
1973	-321000
1974	-229000
1975	-230000
1976	-229000
1977	-230000
1978	-229000
1979	-229000
1980	-229000
1981	-344000
1982	-688000
1983	-689000
1984	-688000
1985	-688000
1986	-688000
1987	-688000
1988	-688000
1989	-803000
1990	-688000
1991	-688000
1992	-688000
1993	-688000
1994	-688000
1995	-688000
1996	-688000
1997	-688000
1998	-688000
1999	-688000
2000	-688000
2001	-688000
2002	-688000
2003	-688000
2004	-688000
2005	-688000
2006	-688000
2007	-688000
2008	-688000
2009	-688000
2010	-688000
2011	-344000
2012	0
2013	0
2014	0
2015	0