Year	% gross
1971	90.9489898681641
1972	100.160263061523
1973	73.4299468994141
1974	76.1258773803711
1975	72.4451599121094
1976	74.8922424316406
1977	71.5601272583008
1978	77.0321884155273
1979	75.9736709594727
1980	76.0088424682617
1981	75.4530487060547
1982	78.2129135131836
1983	78.3071670532227
1984	81.2358322143555
1985	78.7738571166992
1997	126.320938110352
1999	99.7172470092773
2000	105.87686920166
2001	107.750473022461
2008	155.876495361328
2009	157.128707885742
2016	119.52921295166
2017	125.1572265625
2019	128.237411499023
2020	131.716079711914
2021	130.212005615234
2022	129.390350341797