Year	NFL, current US$
1970	-92000
1971	-156000
1972	637000
1973	1855000
1974	-165000
1975	-183000
1976	-369000
1977	3893000
1978	4087000
1979	-967000
1980	-2333000
1981	-307000
1982	3037000
1983	-501000
1984	5824000
1985	-2599000
1986	-4821000
1987	-120000
1988	-2678000
1989	-2497000
1990	-1814000
1991	-951000
1992	-1010000
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	400000000
2014	0
2015	0
2016	0
2017	0
2018	0