Year	% gross
1981	19.9894695281982
1986	21.6727294921875
1989	35.5912094116211
1990	38.1696014404297
1992	23.9108295440674
1993	21.5802192687988
1994	20.9895000457764
1995	21.6382293701172
1996	22.9414196014404
1997	26.1083698272705
1998	29.7802791595459
1999	33.9178009033203
2000	40.197639465332
2001	45.2943992614746
2002	49.2158584594727
2003	54.7741508483887
2004	58.8736801147461
2005	62.5166511535645
2006	65.0341033935547
2007	65.1064910888672
2008	67.9103393554688
2009	71.783821105957
2010	69.1592864990234
2011	67.4406280517578
2012	64.7216873168945
2013	59.5682487487793
2014	57.3866386413574
2015	57.5259094238281
2016	60.1374015808105
2017	61.4015998840332
2018	62.4353408813477
2019	60.3064918518066
2020	58.4411392211914
2021	58.2376594543457