Year	% gross
1971	81.2448806762695
1972	87.2712783813477
1973	87.0726928710938
1974	83.4052581787109
1975	86.7850112915039
1976	91.4387588500977
1977	103.604331970215
1978	103.588912963867
1979	109.979118347168
1980	115.477729797363
2001	85.1908416748047
2002	84.8984298706055
2003	85.7585067749023
2004	88.322883605957
2005	89.5132598876953
2006	87.0583572387695
2010	87.4628067016602
2011	86.8330535888672
2012	86.5619506835938
2013	86.796630859375
2014	86.7528991699219
2015	86.9234237670898
2016	85.7919998168945
2017	82.9150009155273
2018	82.5080032348633
2019	77.4039993286133
2020	75.3410034179688
2021	76.8830032348633
2022	72.1119995117188