Year	% gross
1970	84.8238906860352
1971	85.7114715576172
1972	83.8455963134766
1973	88.2215805053711
1974	89.6408004760742
1975	91.6333312988281
1976	93.9762878417969
1977	96.0031814575195
1978	99.2619476318359
1979	102.77303314209
1980	94.6085662841797
1981	78.9329071044922
1982	90.0431671142578
1983	93.3115005493164
1984	95.3943328857422
1987	103.978790283203
1988	104.155311584473
1989	99.4072189331055
1991	92.7879791259766
1992	93.5428619384766
1993	92.9069137573242
1995	94.891960144043
1996	102.646690368652
1997	72.5971298217773
1998	105.547958374023
1999	106.854721069336
2000	107.429580688477
2001	109.073371887207
2002	111.009010314941
2003	113.94783782959
2004	117.09748840332
2005	117.049522399902
2006	115.950569152832
2007	120.903472900391
2008	112.688972473145
2009	111.042167663574
2010	111.039741516113
2011	109.942649841309
2012	108.89933013916
2013	107.934982299805
2014	106.597427368164
2015	104.58032989502
2016	102.411903381348
2017	94.9000015258789
2018	93.3059997558594
2019	88.6849975585938
2023	90.786003112793
