Year	% gross
1971	74.8960189819336
1972	75.1386337280273
1973	75.0334625244141
1974	72.0642166137695
1975	77.9327163696289
1976	75.5696487426758
1977	76.563362121582
1978	83.109130859375
1979	83.5053329467773
1980	84.6844100952148
1981	91.4873428344727
1982	88.5083236694336
1983	92.585563659668
1984	94.5597991943359
1985	99.6991500854492
1989	89.2251281738281
1990	93.2899169921875
1999	107.008140563965
2000	105.606628417969
2001	107.704078674316
2002	107.309143066406
2003	105.978858947754
2004	107.164978027344
2005	108.926597595215
2006	106.55721282959
2007	109.092826843262
2008	110.099029541016
2009	110.32421875
2010	108.375579833984
2011	106.100593566895
2014	107.219467163086
2015	107.133262634277
2016	107.190780639648
2017	109.698921203613
2018	108.418510437012
2019	105.657051086426
2020	104.063011169434
2021	103.737602233887
2022	104.588966369629