Year	NFL, current US$
1970	-4000000
1971	-631905.8
1974	2946553.8
1975	-6680025
1977	19241636
1978	11419314.8
1979	36138708.4
1980	45600000
1981	67200000
1982	18735000
1983	14392663.4
1984	-8769062.7
1985	-14353521.4
1986	-21090737.6
1987	-32998421.3
1988	-40909027.6
1989	-37088798.8
1990	-43531449.1
1991	-21228908.8
2022	0