Year	% gross
1970	5.75665998458862
1971	6.20934009552002
1972	6.68257999420166
1973	7.16683006286621
1974	8.23163032531738
1975	9.2512903213501
1976	10.6327295303345
1977	12.2438402175903
1978	12.7348804473877
1980	12.7509698867798
1981	12.8331203460693
1983	14.5396299362183
1989	14.9427795410156
1991	17.8110809326172
1999	30.4268398284912
2000	34.1127281188965
2001	34.552059173584
2002	37.6613388061523
2003	37.9968490600586
2004	39.9716911315918
2010	53.7494010925293
2015	53.3900909423828
2020	54.3274688720703
2021	57.8640899658203
2022	75.4229965209961