Year	% gross
1970	82.6699676513672
1971	82.685676574707
1972	83.4090728759766
1973	84.4051818847656
1974	85.6246871948242
1975	85.7000503540039
1976	86.0496215820312
1977	86.6984481811523
1978	86.9776763916016
1979	87.3454132080078
1980	87.4348068237305
1981	87.1537322998047
1982	87.5261306762695
1983	87.5827026367188
1984	87.8897323608398
1985	88.4965896606445
1986	89.6790771484375
1987	90.1973876953125
1988	90.63134765625
1989	91.0474014282227
1990	91.2692718505859
1991	90.9545974731445
1992	90.8122482299805
1993	92.4607162475586
1994	93.4792327880859
1995	93.9376983642578
1996	93.8465805053711
1997	93.6049575805664
1998	93.4173736572266
1999	94.4504165649414
2000	95.2816772460938
2001	97.4660263061523
2002	98.8925399780273
2003	99.8077926635742
2004	97.3316268920898
2005	96.9842834472656
2006	97.3897171020508
2007	97.7518768310547
2008	98.2477493286133
2009	98.0859603881836
2010	99.8894500732422
2011	100.297828674316
2012	99.6752395629883
2013	104.797981262207
2014	105.18431854248
2015	105.239532470703
2016	104.747833251953
2017	105.960258483887
2018	105.585708618164
2019	105.428047180176
2020	104.619911193848
2021	104.051223754883
2022	104.188270568848