Year	% gross
1978	85.3675003051758
1979	87.1203231811523
1980	87.9642868041992
1981	88.1946411132812
1982	88.5751495361328
1983	89.3854064941406
1984	91.10888671875
1985	91.9547271728516
1986	92.3206634521484
1987	93.1248779296875
1988	93.843879699707
1989	94.7823028564453
1990	95.5490570068359
1991	96.0377578735352
1992	97.9997024536133
1993	97.2274398803711
1994	98.5156936645508
1995	97.8017807006836
1996	96.5770416259766
1998	90.9069519042969
1999	91.2665634155273
2000	91.4543914794922
2001	92.095100402832
2002	90.531982421875
2003	90.4961929321289
2004	90.2133483886719
2005	91.0430221557617
2006	91.4252090454102
2007	92.7012786865234
2008	93.4715118408203
2009	94.0488586425781
2010	95.2613372802734
2011	95.6100234985352
2012	96.7207107543945
2013	99.7940216064453
2015	102.201698303223
2016	102.22403717041
2017	102.139213562012
2018	102.257682800293
2019	101.935157775879
2020	102.080001831055
2021	101.687019348145
2022	101.519386291504