Year	NFL, current US$
1970	-75000
1971	-72000
1972	1889000
1973	4793000
1974	2426000
1975	-383000
1976	527000
1977	1771000
1978	653000
1979	-1781000
1980	-1823000
1981	-1110000
1982	-993000
1983	-1530000
1984	1983000
1985	-998000
1986	-924000
1987	-400000
1988	-400000
1989	-400000
1990	0
1991	0
1992	-431000
1993	-270000
1994	-594000
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