Year	NFL, current US$
1972	1143458
1973	229426.7
1975	-102019.3
1976	729391.2
1977	1759535.5
1978	4795410.9
1979	-71062.9
1980	1491616.4
1981	541542
1982	1420081.6
1983	-1059502.9
1984	510583.2
1985	-578209.3
1986	-1451805.2
1987	-344484
1988	4007157
1989	-2477970.8
1990	-1832817.3
1991	-2475702.5
1992	-2277726.5
1993	-1139456.2
1994	-2070762.4
1995	-57655.1
1996	-2064438.3
1997	-144489.5
1998	-104471.9
2001	-344754
2004	0
2005	0
2006	0
2007	0