Year	% gross
1979	4.49816989898682
2005	11.5016603469849
2007	11.5655498504639
2008	11.6187200546265
2013	11.2012500762939
2014	15.5887002944946
2015	21.4308109283447
2016	22.2944602966309
2017	20.5279006958008
2018	20.7348003387451
2019	20.9363899230957
2020	21.2619400024414
2021	17.6948509216309