Year	% gross
1974	0.030120000243187
1975	0.0761500000953674
1976	0.237379997968674
1977	0.0769300013780594
1978	0.0544099994003773
1979	0.335489988327026
1981	0.473820000886917
1982	0.704010009765625
1983	0.908140003681183
1984	0.824959993362427
1985	1.55483996868134
1986	1.42309999465942
1987	2.04838991165161
1988	2.07774996757507
1989	2.10887002944946
1990	2.17705988883972
1991	2.85081005096436
1992	3.105220079422
1993	3.28172993659973
1994	3.44918990135193
1995	3.85259008407593
1996	3.98335003852844
1997	4.91582012176514
1998	5.49255990982056
2009	45.6377716064453
2011	55.9941787719727
2012	53.353401184082
2013	52.134449005127
2014	57.3506813049316
2015	58.3530807495117
2016	58.2450408935547
2017	55.0804901123047
2018	53.6212005615234
2019	56.5690994262695
2020	56.2999496459961
2021	27.0439300537109