Year	NFL, current US$
1970	15236000
1971	24159000
1972	22101000
1973	5880000
1974	-1995000
1975	-2135000
1976	-2280000
1977	-2430000
1978	-2595000
1979	-2765000
1980	-2950000
1981	-3150000
1982	-3365000
1983	-3585000
1984	-5590000
1985	-5014000
1986	-7847000
1987	-10020000
1988	-12042000
1989	-10920000
1990	-11862000
1991	-12349000
1992	-14565000