Year	% gross
1972	62.3073883056641
1978	88.334831237793
1981	95.9419097900391
1982	98.9885330200195
1983	97.8839492797852
1984	98.2276992797852
1985	96.0945663452148
1986	97.2987899780273
1987	97.8305587768555
1990	96.2167282104492
1991	96.0765533447266
1993	96.6296615600586
1994	96.1996002197266
1995	95.2838897705078
1996	94.3265914916992
1998	96.7033767700195
2005	95.9484786987305
2013	96.3090591430664
2014	97.5130462646484
2015	98.1735763549805
2016	98.4747085571289
2017	98.695556640625
2018	98.7960586547852
2019	99.189453125
2020	99.4142990112305
2021	101.344367980957
2022	98.6511611938477