Year	% gross
1981	22.7540092468262
1986	31.2183990478516
1989	32.0267791748047
1990	32.506591796875
1991	31.1653804779053
1992	27.822359085083
1993	25.6972999572754
1994	25.4432506561279
1995	26.0868091583252
1996	28.4534492492676
1997	32.156681060791
1998	37.6095199584961
1999	42.5027885437012
2000	50.8968200683594
2001	57.3476104736328
2002	63.0700798034668
2003	69.6304168701172
2004	74.9013824462891
2005	79.7298126220703
2006	82.4531784057617
2007	82.5158309936523
2008	85.7450866699219
2009	89.2521667480469
2010	86.5725708007812
2011	84.0555877685547
2012	79.7516326904297
2013	73.533203125
2014	70.4006118774414
2015	69.7405395507812
2016	71.118522644043
2017	72.4174575805664
2018	73.7303009033203
2019	72.0089721679688
2020	70.7869033813477
2021	71.9093170166016