Year	PPG + PNG (NFL, current US$)
1970	-883000
1973	2129000
1977	-832000
1978	-286000
1980	-1632000
1981	-1781000
1983	-451000
1988	-78000
2006	150000000
2011	100000000
2015	-43150000
2016	-6850000
2017	0
2018	0
2019	0
2020	-200000000