Year	% gross
1971	18.7978706359863
1972	21.1743793487549
1973	26.8403091430664
1974	27.2528495788574
1990	62.7147789001465
1992	75.5426483154297
1993	77.7729415893555
1999	75.6018676757812
2000	78.470329284668
2001	83.9162292480469
2002	87.1809692382812
2003	90.6741409301758
2004	94.2692565917969
2005	93.4739303588867
2006	93.9249725341797
2007	94.6795425415039
2008	90.4638900756836
2009	90.1166305541992
2010	91.4267501831055
2011	94.6152191162109
2012	96.9751510620117
2013	97.0595169067383
2014	100.927627563477
2015	101.77465057373
2016	101.97794342041
2017	98.5185165405273
2018	93.8029174804688
2019	91.8175201416016
2020	89.9859237670898
2021	88.9199981689453
2022	89.5705108642578