Year	NFL, current US$
1971	-10030.3
1972	-10857
1973	-11924.3
1974	-12026.8
1975	-12145.5
1978	6747890.8
1980	9458618.2
1981	57811.7
1983	32900000
1984	14800000
1985	13510121.3
1986	18201066.5
1987	-565844.3
1988	-21515785.5
1989	-7627483.5
1990	-15549079.6
1991	-11434214.3
1992	-7567066.5
1993	-4841292.8
1994	13011720.2
1997	-5732791
1998	-7536899
1999	-1899308.2
2022	0