Year	NFL, current US$
1970	-658000
1971	-2662000
1972	2958000
1973	6027000
1974	11737000
1975	9881000
1976	-3039000
1977	6714000
1978	18144000
1979	14010000
1980	20064000
1981	3173000
1982	12261000
1983	-5290000
1984	-2788000
1985	-2613000
1986	-1180000
1987	-1806000
1988	-1028000
1989	-866000
1990	4000000
1998	0
1999	0
2000	0
2001	0
2003	-454000
2007	0