Year	NFL, current US$
1977	249861.1
1978	770221.4
1979	782983.8
1980	666411.5
1981	9438.6
1982	-12146.9
1983	-59871
1984	-197876.6
1985	-333308.7
1986	-457723.5
1987	-500353.2
1988	-448973.7
1989	-253822.1
1990	-82816.2
1991	-9579.8
2009	8946398.4
2013	8814304.7
2015	-1622984.6
2016	-1612467.9
2017	-1608616.6
2018	-2463892.4
2019	-3205505.2
2020	20951730.1
2021	-1652496.3
2022	-1552373.5
