Year	% gross
1971	2.47464990615845
1973	3.6948299407959
1974	4.15814018249512
1975	5.13041019439697
1977	4.7815899848938
1985	10.4728002548218
1986	8.82242965698242
1987	8.25074005126953
1999	12.6750602722168
2000	13.0951900482178
2001	14.5171499252319
2002	15.7741003036499
2003	16.5074596405029
2004	17.7879390716553
2011	36.4980201721191
2013	43.5013809204102
2014	44.7710113525391
2015	47.9001808166504
2016	49.594539642334
2020	40.9486198425293
2021	41.8586883544922
2022	41.9185104370117