Year	% gross
1971	4.1323299407959
1972	4.96054983139038
1973	6.0793399810791
1974	6.73226022720337
1975	7.80577993392944
1976	8.11310005187988
1977	8.61491966247559
1978	9.41759967803955
1979	10.1381397247314
1980	11.5852499008179
1981	14.4719104766846
1982	17.2715797424316
1983	19.8619403839111
1984	18.9076404571533
1985	17.8847999572754
1986	15.4489698410034
1987	14.3062000274658
1999	20.098539352417
2000	20.8747406005859
2001	22.6525707244873
2002	24.5954608917236
2003	25.9423904418945
2004	27.7856101989746
2011	47.4146003723145
2013	54.0870780944824
2014	54.7326316833496
2015	57.3949584960938
2016	57.529670715332
2020	45.7407913208008
2021	46.0770416259766
2022	45.3651695251465
