Year	% gross
1973	47.2861099243164
1974	47.8527603149414
1976	54.1843490600586
1978	62.8133316040039
1979	52.9636192321777
1980	75.8193130493164
1981	98.7880630493164
1982	104.536018371582
1983	86.9967193603516
1984	93.6183013916016
1985	97.0399780273438
1986	99.7304611206055
1987	94.868766784668
1988	94.6584930419922
1989	100.552810668945
1990	100
1991	97.9254379272461
1992	97.9785614013672
1993	96.8992233276367
1994	98.8143463134766
1995	101.40406036377
1996	102.097030639648
1997	102.110237121582
1998	105.055641174316
1999	103.412750244141
2000	100.294502258301
2001	93.4972991943359
2002	97.1260375976563
2003	94.2321319580078
2004	101.465858459473
2005	100.106269836426
2006	99.2267074584961
2007	99.2299575805664
2008	102.453559875488
2009	103.866622924805
2010	107.116790771484
2011	103.148208618164
2012	102.318450927734
2013	96.7105331420898
2014	96.9599990844727
2015	94.3742065429688
2016	97.0284576416016
2017	96.2328796386719
2018	95.3640289306641
2019	95.4248428344727
2020	96.4618225097656
2021	104.291038513184
