Year	NFL, current US$
1970	-493000
1971	96000
1972	732000
1973	2085000
1974	18846000
1975	32953000
1976	43939000
1977	71350000
1978	138574000
1979	92992000
1980	43084000
1981	-4326000
1982	-5297000
1983	-2111000
1984	-4570000
1985	-4379000
1986	-11150000
1987	-4441000
1988	-6000
1989	-2287000
2013	47808000
2014	-11961000
2015	-9986000
2016	-9958000
2017	-10168000