Year	NFL, current US$
1979	34059796
1980	28988901.1
1981	280799.5
1984	-1142148
1985	-7195606
1986	-11417267.2
1987	40829864.9
1988	102939980.6
1989	165608691
1990	-3618117.3
1991	-448883.6