Year	% gross
1971	112.377906799316
1972	114.354438781738
1973	110.714027404785
1974	113.901237487793
1975	106.777198791504
1976	105.861610412598
1977	104.458236694336
1978	104.759567260742
1979	105.75553894043
1980	104.781753540039
1981	103.705490112305
1983	106.308441162109
1984	105.147071838379
1985	103.242729187012
1986	101.34992980957
1987	100.791641235352
1988	98.9566116333008
1989	100.190032958984
1990	99.239387512207
1991	99.0309295654297
1993	93.9004974365234
1999	90.305061340332
2000	91.7470474243164
2001	91.5907974243164
2002	91.7967987060547
2003	90.9465789794922
2004	93.4939727783203
2005	93.1240310668945
2007	94.7287292480469
2008	99.9798736572266
2009	101.780708312988
2010	98.6990585327148
2011	100.235298156738
2012	100.755447387695
2013	97.5309371948242
2014	95.0509872436523
2015	97.7761535644531
2016	93.6276702880859
2017	93.8242492675781
2018	95.2620620727539
2019	92.5650405883789
2020	89.4326171875
2021	90.8784027099609
2022	89.7678909301758