Year	% gross
1974	98.2842636108398
1975	102.076400756836
1977	111.2392578125
1978	108.146560668945
1979	105.936393737793
1980	103.471992492676
1981	101.365547180176
1982	99.264518737793
1983	92.5174179077148
1984	98.2675094604492
1985	98.8960723876953
1986	100.031448364258
1987	101.384323120117
1988	103.421180725098
1989	105.120681762695
1990	105.708740234375
1991	106.550880432129
1994	109.47200012207
1998	117.852363586426
1999	117.193878173828
2000	115.820007324219
2001	114.643836975098
2002	113.713623046875
2003	111.179321289062
2004	108.75048828125
2005	107.573608398438
2006	107.781593322754
2007	106.483993530273
2008	106.007667541504
2009	104.729911804199
2010	104.328536987305
2011	102.732292175293
2012	101.570930480957
2013	102.10578918457
2014	100.860008239746
2015	98.8180236816406
2016	96.8206100463867
2017	95.265380859375
2018	95.5967178344727
2019	94.2969436645508
2020	92.9255828857422
2021	93.6751708984375