Year	% gross
1971	0.205430001020432
1972	0.206560000777245
1973	0.235489994287491
1974	0.296649992465973
1975	0.386319994926453
1976	0.326579988002777
1982	0.528649985790253
1991	0.45414000749588
1992	0.532440006732941
1993	0.522650003433228
1994	0.628539979457855
2005	3.58626008033752
2006	3.11630010604858
2007	3.95900988578796
2008	4.68222999572754
2009	6.11196994781494
2011	8.38683986663818
2012	8.71240043640137
2013	10.4189701080322
2014	12.0471000671387
2015	12.7155303955078
2016	12.9941596984863
2017	13.5322704315186
2018	13.6581602096558
2019	15.7434997558594
2020	17.4360599517822
2021	18.2915000915527
2022	19.7661590576172
