Year	% gross
1975	54.6381683349609
1976	56.5169792175293
1977	57.2104606628418
1978	54.440788269043
1979	50.370979309082
1980	45.023609161377
1981	42.7861785888672
1982	39.669319152832
1983	37.7502212524414
1984	37.4742813110352
1985	38.8771209716797
1986	40.3839683532715
1987	42.6668395996094
1988	44.4997901916504
1989	45.2089004516602
1990	45.456600189209
1991	47.3965187072754
1992	49.3604316711426
1993	51.0973587036133
1994	50.8825492858887
1995	52.4692192077637
1996	55.083080291748
1997	57.2492713928223
1998	58.6617584228516
1999	59.8383407592773
2000	60.4502410888672
2001	62.3637886047363
2002	63.1795082092285
2003	64.4491119384766
2004	66.9025497436523
2005	68.7528915405273
2006	70.8799819946289
2007	74.3784790039062
2008	76.9169769287109
2009	80.8780212402344
2010	83.5103988647461
2011	84.7118606567383
2012	85.0175933837891
2013	86.1253204345703
2014	85.1860275268555
2015	85.3369674682617
2016	84.4375076293945
2017	84.5861282348633
2018	85.1432418823242
2019	86.6536865234375
2020	87.6181106567383
2021	88.3438873291016
2022	88.8832931518555