Year	NFL, current US$
1970	-47431.3
1971	-7643.9
1972	248466.4
1973	54751
1974	2313262.2
1975	488875.5
1976	14192294.4
1977	4385001.3
1978	3497446
1979	10078177.3
1980	12613611.6
1981	11335066.7
1982	15432649.9
1983	17836043.7
1984	23334892.9
1985	21968415.6
1986	23294142.3
1987	12915540.2
1988	9281131.4
1989	3767194
1990	3915742.5
1991	-3002403.4
1992	14549631.6
1993	4537942.5
1994	8743522.2
1995	9188000
1996	9734016.1
1997	4653386.3
1998	2465265.6
1999	-1232177.1
2000	937478.1
2001	10232870.1
2002	8747214.4
2003	8840784
2004	1249946.3
2005	681643.5
2006	644832.9
2007	-8011752.1
2008	-6750672.7
2009	-6873407.3
2010	-3121072.7
2011	-2214224.1
2012	-5493903.1
2013	-455068.6
2014	-596375.6
2015	-6895212.9
2016	33756607.7
2017	5064835.9
2018	29719850.7