Year	NFL, current US$
1970	150000
1971	-90272.3
1973	107318.2
1974	444989.7
1975	-813748.5
1976	-773545.1
1977	-1109196.3
1978	187858.9
1979	3131935.3
1980	2665646.1
1981	35394.9
1983	10700000
1985	-1653552.6
1986	-2950243.1
1987	-5596882.3
1988	-4227611.2
1989	-1142199.6
1990	-329907.1
1991	-41056.4
2020	109355771.9
2021	0
2022	0