Year	% gross
1971	50.1871185302734
1972	54.6567993164062
1973	57.8215408325195
1974	58.1313591003418
1975	67.4839477539062
1976	72.1215591430664
1977	69.3684616088867
1978	69.0143814086914
1979	67.0684509277344
1980	71.7967681884766
1981	67.2299499511719
1982	71.3439865112305
1983	73.7480773925781
1984	74.1079788208008
1985	76.2901916503906
1986	74.4928817749023
1987	72.3779983520508
1988	72.8657073974609
1989	73.8163375854492
1990	76.8460693359375
1991	77.6732788085938
1992	81.0237121582031
1993	81.546501159668
1994	81.1206207275391
1995	84.1198501586914
1996	86.6022720336914
1997	86.4860687255859
1998	87.3776473999023
1999	84.5213775634766
2000	90.719108581543
2001	88.7702178955078
2002	90.5345077514648
2003	92.9309234619141
2004	101.232261657715
2005	99.2456588745117
2006	95.9733276367188
2007	97.9540481567383
2008	99.778923034668
2010	99.7307586669922
2011	94.6769409179688
2012	96.5823593139648
2013	97.6585388183594
2014	97.9214324951172
2015	97.6185836791992
2016	96.1698989868164
2017	102.421508789062
2018	104.604400634766
2019	105.412406921387
2020	104.432907104492
2021	103.611381530762
2022	102.908020019531