Year	NFL, current US$
1970	-565000
1971	-246000
1972	3497000
1973	-171000
1974	7518000
1975	-679000
1976	-2348000
1977	-2489000
1978	19485000
1979	35926000
1980	70782000
1981	119751000
1982	6401000
1983	14756000
1984	-3178000
1985	-5316000
1986	-9018000
1987	-8046000
1988	-9339000
1989	7421000
1990	3724000
1991	-18654000
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