Year	% gross
1971	3.85335993766785
1972	4.50625991821289
1973	4.88962984085083
1974	4.92538976669312
1981	10.4383497238159
1983	10.8357601165771
1984	11.349760055542
1999	16.0713691711426
2014	31.9181499481201
2015	34.9543685913086
2016	37.3194313049316
2017	40.636531829834
2018	43.3195991516113
2019	46.8918113708496
2020	50.1411514282227
2021	53.5444793701172
2022	52.2239189147949