Year	NFL, US$
1970	-1606000
1971	3081000
1972	-5159000
1973	16158000
1974	1604000
1975	8035000
1976	1618000
1977	15394000
1978	19594000
1979	-34055000
1980	236000
1981	-24926000
1982	7052000
1983	21911000
1984	19613000
1985	2123000
1986	3397000
1987	-6358000
1988	594000
1989	-5051000
1990	-1304000
1991	-2406000
1992	-2091000
1993	-83000
1994	-57000
1995	-76000
1996	24492000
1997	-1524000
1998	-1997000
1999	-2125000
2000	-2389000
2001	-828000
2002	3691000
2003	3388000
2004	211000
2005	14084000
2006	-1711000
2007	-1496000
2008	-6475000
2009	-1347000
2010	-11198000
2011	-1178000