Year	% gross
1983	21.772590637207
1984	23.2481307983398
1985	25.1484603881836
1986	27.6420097351074
1987	30.3961601257324
1988	31.2441692352295
1989	30.9330501556396
1990	30.7411994934082
1991	30.4610500335693
1992	30.787389755249
1993	31.0312805175781
1994	30.5242691040039
1995	31.4150695800781
1996	32.5018501281738
1997	34.0684394836426
1998	44.317081451416
1999	46.7149314880371
2000	46.997730255127
2001	47.4881896972656
2002	45.0347785949707
2003	44.8840789794922
2004	45.5048294067383
2005	46.4347496032715
2006	48.1272315979004
2007	49.7736206054688
2008	52.7118606567383
2009	54.9916000366211
2010	58.8181991577148
2011	63.5864715576172
2012	69.635368347168
2013	73.0073776245117
2014	75.6444396972656
2015	77.4580764770508
2016	80.5764999389648
2017	82.811149597168
2018	85.2477264404297
2019	86.1405868530273
2020	87.0343322753906