Year	NFL, current US$
1970	4950000
1971	11579000
1972	6316000
1973	4005000
1974	8178000
1975	9599000
1976	11006000
1977	9713000
1978	6100000
1979	14113000
1980	19782000
1981	13669000
1982	10449000
1983	8996000
1984	8469000
1985	18075000
1986	15993000
1987	738000
1988	-191000
1989	43000
1990	-352000
1991	-8116000
1992	-32868000
1993	-7578000
1994	-6705000
1995	-5608000
1996	-9473000
1997	-8827000
1998	-8669000
1999	-9093000
2000	-9768000
2001	-9831000
2002	-9771000
2003	-10367000
2004	-9921000
2005	-9078000
2006	-8529000
2007	-7609000
2008	-6882000
2009	-6105000
2010	-5581000
2011	-4282000
2012	-2906000
2013	-2461000
2014	-1621000
2015	-629000
2016	-419000
2017	-397000
2018	-371000
2019	-371000
2020	-371000