Year	% gross
1971	87.1910095214844
1972	86.0249099731445
1973	92.4218673706055
1974	88.8780136108398
1975	93.0877380371094
1976	96.8869323730469
1977	110.263748168945
1978	110.207069396973
1979	113.066841125488
1980	118.601020812988
2001	87.9429931640625
2002	87.9067993164062
2003	90.0135192871094
2004	93.3164978027344
2005	93.3097915649414
2006	89.6962509155273
2010	93.1870880126953
2011	92.703857421875
2012	91.9060134887695
2013	91.4968185424805
2014	90.5531005859375
2015	90.5220718383789
2016	89.7050018310547
2017	85.4929962158203
2018	86.1050033569336
2019	81.5479965209961
2020	80.4469985961914
2021	80.7229995727539
2022	75.8450012207031