Year	NFL, current US$
1970	784000
1971	-36000
1972	102000
1973	448000
1974	550000
1975	6877000
1976	4425000
1977	12497000
1978	4980000
1979	8529000
1980	15962000
1981	19867000
1982	2134000
1983	7723000
1984	4676000
1985	-100000
1986	2853000
1987	-6584000
1988	-9578000
1989	-9608000
1990	-13197000
1991	-12726000
1992	-10997000
1993	-10725000
1994	-11135000
1995	-11801000
1996	-9809000
1997	-7152000
1998	-5472000
1999	-4450000
2000	-2836000
2001	-1253000