Year	% gross
1971	42.5225486755371
1972	49.6522598266602
1973	54.0413093566895
1974	59.5118217468262
1975	65.3801422119141
1976	66.4201126098633
1977	65.7137069702148
1978	64.0400924682617
1979	64.3993988037109
1980	67.5403823852539
1981	67.1708374023438
1982	70.1737365722656
1983	65.4134063720703
1984	59.8880081176758
1985	61.0958213806152
1986	61.1365089416504
1987	63.3408393859863
1988	62.4230499267578
1989	67.3595123291016
1990	70.6513671875
1991	72.0669097900391
1992	85.3682327270508
1993	89.6464996337891
1994	98.2871932983398
1995	151.577774047852
1996	151.128768920898
1998	142.947875976562
1999	143.030364990234
2000	145.640502929688
2001	150.410186767578
2002	146.673477172852
2004	138.778579711914
2005	136.06462097168
2006	134.921722412109
2007	131.126068115234
2008	137.758834838867
2009	134.626708984375
2010	135.973602294922
2011	136.165512084961
2012	135.220733642578
2013	139.181167602539
2014	139.086654663086
2015	138.308258056641
2016	137.108215332031
2017	138.961990356445
2018	136.826690673828
2019	139.565963745117
2021	127.213996887207
2022	126.438003540039