Year	NFL, 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
1996	1500000
1999	0
2020	203956000
2021	0
2022	-7529000