Year	NFL, current US$
1970	1677000
1971	-447000
1972	-1037000
1973	-1882000
1974	-255000
1975	-1601000
1976	7245000
1977	308000
1978	-1754000
1979	2584000
1980	2723000
1981	20333000
1982	7198000
1983	-2821000
1984	-2568000
1985	-2484000
1986	-2400000
1987	-1560000
1988	-1151000