Year	% gross
1972	111.481369018555
1978	87.7746810913086
1981	94.7742614746094
1982	98.0032196044922
1983	97.1200790405273
1984	98.0499267578125
1985	96.5846405029297
1986	96.5652923583984
1987	96.8429794311523
1990	95.9004898071289
1991	93.8017272949219
1993	95.9156494140625
1994	96.1632766723633
1995	93.2337036132812
1996	93.5982284545898
1998	92.3996963500977
2005	94.2021102905273
2013	96.0696334838867
2014	96.3625335693359
2015	97.1537170410156
2016	99.0528335571289
2017	99.1985168457031
2018	99.7356567382812
2019	100.902122497559
2020	101.560943603516
2021	101.046821594238
2022	96.351806640625