Year	% gross
1970	46.5404014587402
1971	50.0394096374512
1972	53.9579582214355
1975	54.3513412475586
1976	49.1187400817871
1978	57.1066513061523
1979	63.8430709838867
1980	68.6960525512695
1984	35.6872787475586
1998	30.8537902832031
1999	48.696720123291
2000	75.6430892944336
2014	160.081344604492
2015	157.822738647461
2016	134.350326538086
2017	125.178817749023
2020	128.478256225586