Year	% gross
1971	78.7187423706055
1972	60.7983207702637
1973	61.3581199645996
1974	62.191780090332
1975	62.6219291687012
1976	63.4592895507812
1977	69.2517471313477
1978	68.5393295288086
1979	70.6781692504883
1980	71.9730072021484
1981	72.0652618408203
1982	73.7685165405273
1983	73.3386688232422
1984	73.9764862060547
1985	74.2293472290039
1999	97.1631164550781
2000	105.979827880859
2001	111.190818786621
2008	111.973243713379
2009	109.589950561523
2016	140.186920166016
2017	143.636352539062
2019	114.369033813477
2020	116.622688293457
2021	121.478309631348
2022	88.1603622436523