Year	NFL, current US$
1971	1504537.5
1972	-10846143
1973	26233350
1974	5412037.5
1975	7287300
1976	-6927270
1977	52765816
1978	32146410.7
1979	8010725.5
1980	-9193094.8
1981	14865858
1982	10194551.4
1983	15368671.9
1984	-15116544.1
1985	-27808918.8
1986	-45376830
1987	-46122867.8
1988	-20761671
1989	-5791759.7
1990	-1699768.4
2020	359968553.6
2021	368107793.5
2022	0