Year	% gross
1971	68.9327087402344
1972	69.7594833374023
1973	70.2219467163086
1974	67.7529373168945
1975	68.9724502563477
1976	68.2563323974609
1977	67.6110763549805
1978	67.4246215820312
1979	67.4043731689453
1980	68.5114898681641
1981	68.8367080688477
1982	70.1668701171875
1983	72.4689331054688
1984	74.7534408569336
1985	76.9044418334961
1986	78.72412109375
1987	80.9756393432617
1988	83.4813919067383
1989	84.4994812011719
1990	86.7183074951172
1991	89.3989562988281
1992	81.7497100830078
1993	82.6517715454102
1994	91.8712005615234
1995	85.2725677490234
1996	94.1863784790039
1997	94.2766036987305
1999	92.2963409423828
2000	90.8942489624023
2001	89.9948425292969
2002	89.9305725097656
2003	89.916862487793
2004	90.4439468383789
2005	90.4735794067383
2006	92.061149597168
2007	93.072509765625
2009	94.6571273803711
2010	94.5771713256836
2011	91.0242385864258
2012	95.6657562255859
2013	95.5598602294922
2014	94.0423736572266
2016	95.4257583618164
2017	95.7913284301758
2018	96.5830383300781
2019	97.8171081542969
2020	98.8963928222656
2021	99.7501068115234
2022	91.5901794433594