Year	NFL, current US$
1970	5714000
1971	6054000
1972	325000
1973	22455000
1974	1626000
1975	3945000
1976	11787000
1977	13416000
1978	31357000
1979	30358000
1980	46176000
1981	21637000
1982	22587000
1983	21619000
1984	6114000
1985	17738000
1986	1116000
1987	-3320000
1988	19064000
1989	-13179000
1990	-18698000
1991	-10355000
1992	-8111000
1993	3110000
1994	-9312000
1995	-14917000
1996	16602000
1997	-20148000
1998	-10435000
1999	-224000
2000	-194000
2001	-188000
2002	-198000
2003	0
2004	181522000
2005	-11212000
2006	-11301000
2007	-11479000
2008	-14717000
2009	-13928000
2010	-13269000
2011	-13797000
2012	-12744000
2013	-13428000
2014	-13286000
2015	-11092000
2016	-11065000
2017	-11290000
2018	0