Year	% gross
1981	110.972900390625
1986	117.836029052734
1989	111.570640563965
1990	110.899963378906
1991	110.139129638672
1992	108.118721008301
1993	106.960182189941
1994	107.018127441406
1995	105.672988891602
1996	96.4316482543945
1997	95.3219985961914
1998	93.6659622192383
1999	92.8396835327148
2000	92.1776962280273
2001	92.3838577270508
2002	93.4787521362305
2003	94.5352783203125
2004	96.2687530517578
2005	96.9728012084961
2006	97.4807205200195
2007	97.2734222412109
2008	98.4250335693359
2009	98.3154220581055
2010	98.629997253418
2011	98.5950012207031
2012	100.415222167969
2013	101.404441833496
2014	101.615257263184
2015	101.019119262695
2016	100.42919921875
2017	101.201461791992
2018	100.821830749512
2019	99.3770980834961
2020	97.0541229248047
2021	95.4035568237305
2022	94.1910018920898
2023	96.1800003051758