Year	NFL, current US$
1970	-564000
1971	-245000
1972	3497000
1973	-170000
1974	7521000
1975	-677000
1976	-2987000
1977	-2248000
1978	14164000
1979	27092000
1980	15967000
1981	69260000
1982	9369000
1983	5027000
1984	150000
1985	-3746000
1986	-5874000
1987	-4620000
1988	-1767000
1989	-1363000
1990	-1595000
1991	-153000