Year	NFL, current US$
1973	1148000
1974	-235000
1975	-248000
1976	11308000
1977	18936000
1978	21010000
1979	31447000
1980	-2156000
1981	-2728000
1982	-800000
1983	-1765000
1984	-7259000
1985	-9140000
1986	-11382000
1987	-3559000
1988	-1844000
1990	-120000
1997	-6065000
2015	11590000
2016	-1021000
2017	-269000
2018	-7217000
2019	112469000
2020	168706000
2021	1287000
2022	-4636000