Year	% gross
1971	91.7128982543945
1976	95.6440124511719
1981	98.6824493408203
1982	96.3356628417969
1983	98.4137878417969
1984	98.90869140625
1985	99.8322296142578
1986	104.318832397461
1987	106.165100097656
1988	106.809219360352
1989	106.053382873535
1990	107.4599609375
1991	106.50163269043
1992	106.739967346191
1993	106.738098144531
1994	107.48210144043
1995	108.117393493652
1996	107.873947143555
1997	107.208480834961
1998	100.304328918457
1999	100.679382324219
2000	100.743476867676
2001	100.845710754395
2002	101.287101745605
2003	101.745429992676
2004	101.881813049316
2005	102.488342285156
2006	102.311408996582
2007	102.000526428223
2008	102.145370483398
2009	102.769836425781
2010	102.148429870605
2011	101.661102294922
2012	101.955093383789
2013	102.827919006348
2014	103.096817016602
2015	103.01985168457
2016	101.259666442871
2017	101.747909545898
2018	102.342697143555
2019	102.957046508789
2020	103.020736694336
2021	103.46688079834
2022	102.406852722168