Year	NFL, current US$
1970	3513000
1971	2116000
1972	2256000
1973	6518000
1974	6389000
1975	8245000
1976	8323000
1977	7597000
1978	13753000
1979	24176000
1980	38163000
1981	21232000
1982	15213000
1983	23547000
1984	15079000
1985	26946000
1986	12734000
1987	2227000
1988	2647000
1989	127000
1990	2845000
1991	-11719000
1992	-12907000
1993	-12917000
1994	-10453000
1995	-12894000
1996	-12496000
1997	-11996000
1998	-12430000
1999	-12046000
2000	-12473000
2001	-12234000
2002	-11913000
2003	-12482000
2004	-11765000
2005	-11212000
2006	-11624000
2007	-12313000
2008	-9724000
2009	-9150000
2010	-8231000
2011	-6783000
2012	-5877000
2013	-4259000
2014	-2964000
2015	-2964000
2016	-1389000
2017	-1143000
2018	-937000
2019	-927000
2020	-463000