Year	% gross
1983	14.0068101882935
1984	15.097149848938
1985	16.7894706726074
1986	19.2182102203369
1987	20.75
1988	22.1359004974365
1989	21.88205909729
1990	20.9502696990967
1991	21.8119792938232
1992	22.5560398101807
1993	23.3850498199463
1994	23.9134902954102
1995	24.923900604248
1996	25.9992294311523
1997	27.2970905303955
1998	37.384349822998
1999	40.172420501709
2000	40.0844993591309
2001	40.3681297302246
2002	37.1339912414551
2003	37.1054000854492
2004	37.9113502502441
2005	38.9668312072754
2006	41.1529693603516
2007	43.6974983215332
2008	46.260009765625
2009	49.0805206298828
2010	51.4084510803223
2011	56.5144386291504
2012	64.3238677978516
2013	68.5693435668945
2014	71.5077133178711
2015	73.5380401611328
2016	76.4162673950195
2017	78.560920715332
2018	81.6952972412109
2019	82.2532196044922
2020	82.4562530517578