Year	% gross
1978	97.9702835083008
1979	97.6253509521484
1980	97.6962127685547
1981	97.8316268920898
1982	97.6365127563477
1983	98.4088668823242
1984	100.106758117676
1985	100.692192077637
1986	101.061988830566
1987	101.013740539551
1988	101.205932617188
1989	101.263290405273
1990	102.129066467285
1991	102.080368041992
1992	103.35131072998
1993	104.082397460938
1994	104.745109558105
1995	103.818710327148
1996	102.475852966309
1998	98.3332595825195
1999	98.1276016235352
2000	97.4710464477539
2001	97.2741394042969
2002	96.5037231445312
2003	96.0661315917969
2004	96.0845718383789
2005	96.4403610229492
2006	96.7774887084961
2007	97.3217620849609
2008	97.4493713378906
2009	97.5510864257812
2010	97.880126953125
2011	98.7040023803711
2012	99.943962097168
2013	102.578750610352
2015	105.534141540527
2016	105.867141723633
2017	105.558456420898
2018	106.005348205566
2019	106.08464050293
2020	106.226257324219
2021	105.415946960449
2022	105.161247253418