Year	NFL, current US$
1970	351000
1971	851575.3
1972	144436.8
1973	-10925.1
1974	242545.8
1975	1798696.7
1976	386623.5
1977	2155343.4
1978	1145939.2
1979	7575303.9
1980	5150371.8
1981	3209137.7
1982	1417873.2
1983	4684905.6
1984	7235312.8
1985	19828817.8
1986	5160539
1987	-580252.5
1988	10509209.6
1989	-1135790
1990	-1202871.3
1991	-4751596.9
1993	-12277082.9
1994	-12603582.1
2006	-16185.5
2007	-57008026.7
2008	-6426597.7
2009	0
2010	0
2014	0