Year	NFL, current US$
1970	0
1971	0
1972	0
1973	0
1974	0
1975	0
1976	28000
1977	154000
1978	88000
1979	52000
1980	28000
1981	357000
1982	-58000
1983	-180000
1984	5402000
1985	-174000
1986	1097000
1987	-70000
1988	-35000
1989	-411000
1990	-114000
1991	0
1992	0
1993	0
1994	0
1995	0
1996	0
1997	0
1998	0
1999	0
2000	0
2001	0
2002	0
2003	0
2004	0
2005	0
2006	0
2007	0
2008	0
2009	0
2010	0
2011	0
2012	0
2013	0
2014	0
2015	0
2016	0
2017	0
2018	0