Year	NFL, US$
1970	-36000
1971	193000
1972	3067000
1973	4956000
1974	1634000
1975	1999000
1976	1062000
1977	1475000
1978	7457000
1979	790000
1980	7938000
1981	1412000
1982	3457000
1983	22678000
1984	1538000
1985	-2267000
1986	129000
1987	-6505000
1988	-2351000
1989	-1007000
1990	-1168000
1991	-652000
1992	-2578000
1993	-651000
1994	-834000
2004	1803000
2005	3169000
2006	1474000
2007	-1012000
2008	-1073000
2009	1499000
2010	-1126000
2011	-1288000
2012	-474000
2013	-1036000
2014	-886000
2015	-583000
2016	-334000
2017	-242000
2018	-15000
2019	-140000