Year	NFL, current US$
1970	-13500
1971	-16200
1972	590776.7
1973	1308532.5
1974	887596
1975	147144.7
1976	-14636.7
1977	358324.1
1978	898112
1979	1947757.3
1980	17035393.2
1981	1659623.5
1982	2174324.7
1983	419268
1984	1294243.3
1985	892175.1
1986	890856
1987	1910691.3
1988	3963165.5
1989	841419.8
1990	2230520.5
1991	859238
1992	1184559.4
1993	2168979.4
1994	5588566
1995	3773406.1
1996	1693239.8
1997	1934160.4
1998	5132676.6
1999	2472608
2000	3016265.7
2001	799231.1
2002	3015050
2003	8520732.7
2004	-2090668.6
2005	869257.2
2006	-372572.3
2007	893256.2
2008	4795812.5
2009	14170091.9
2010	38101370.4
2011	33662462.1
2012	6619106
2013	-2035575.3
2014	1497898.4
2015	-1251771.2
2016	3599232.6
2017	7261882.5
2018	-578172.8