Year	% gross
1971	51.0928115844727
1972	49.5111312866211
1973	48.6330490112305
1974	49.9184417724609
1975	51.4166984558105
1976	51.6823081970215
1977	53.7315902709961
1978	59.0117607116699
1979	63.0166816711426
1980	55.7182884216309
1981	61.8224182128906
1982	65.1123809814453
1983	73.5703277587891
1984	71.1347198486328
1985	74.6677474975586
1986	79.1550369262695
1987	81.4894104003906
1988	82.6638412475586
1989	83.6929473876953
1990	81.7513198852539
1991	94.3061218261719
1992	87.8604431152344
1993	85.6181182861328
1994	84.0331802368164
1995	81.9127578735352
1996	80.010627746582
1997	77.656608581543
1998	78.2818603515625
1999	78.0635833740234
2000	81.4606323242188
2001	83.4598693847656
2002	86.3712463378906
2003	88.951286315918
2004	86.3052673339844
2005	83.2297515869141
2006	83.6787490844727
2008	88.5283889770508
2009	89.8598098754883
2010	90.04248046875
2011	92.4206771850586
2012	95.4239730834961
2013	105.042549133301
2014	104.194763183594
2015	100.813453674316
2016	101.839508056641
2017	101.757507324219
2018	100.435096740723
2019	101.02108001709
2022	103.490966796875