Year	% gross
1970	30.3603591918945
1971	31.6093997955322
1972	32.9189682006836
1973	34.042781829834
1974	38.0424880981445
1975	36.2571983337402
1976	30.223539352417
1978	40.5154304504395
1979	44.9209518432617
1980	50.5304718017578
1981	58.69873046875
1982	69.2335205078125
1983	73.5486221313477
1984	109.587989807129
1985	112.240928649902
1986	112.204620361328
1987	112.903228759766
1988	112.281593322754
1989	112.358413696289
1991	115.360023498535
1992	118.339988708496
1993	118.018127441406
1994	118.70043182373
1995	114.529373168945
1996	118.26097869873
1998	109.5537109375
1999	79.6494903564453
2000	80.9305114746094
2001	74.0806503295898
2002	75.8700866699219
2003	78.5803985595703
2004	76.4694595336914
2005	81.3648529052734
2006	73.7021331787109
2007	76.2606582641602
2008	72.6980285644531
2009	71.0717468261719
2010	69.2709808349609
2011	66.4580001831055
2012	73.5210723876953
2013	71.0284881591797
2014	72.8647232055664
2015	75.8592376708984
2016	78.2521591186523
2017	77.6009292602539
2018	77.3594665527344
2019	75.2362365722656
2020	75.4442596435547
2021	75.0270233154297
2022	76.8818664550781