Year	NFL, current US$
1970	11000
1971	-59000
1972	-381000
1973	-271000
1974	77000
1975	5516000
1976	34000
1977	7000
1978	2906000
1979	1210000
1980	-2778000
1981	-2364000
1982	686000
1983	13153000
1984	10981000
1985	-2902000
1986	-5736000
1987	-7773000
1988	-924000
1989	-5554000
1990	-5975000
1991	-2576000
1992	-1992000
1993	-1194000
1994	-697000
1995	-876000
1996	-676000
1997	-36000
1998	491000
1999	-69000
2000	3048000
2001	1795000
2002	-1974000
2003	7591000
2004	-4502000
2005	-4590000
2006	-1547000
2007	0
2008	0
2009	5000000
2010	0
2011	0
2012	-625000
2013	0
2014	0
2015	0
2016	0
2017	0
2018	0