Year	% gross
1980	22.6952590942383
1981	23.6432800292969
1982	25.0026397705078
1983	25.8659896850586
1984	26.0284099578857
1985	26.6746997833252
1986	26.8502197265625
1987	27.6338500976563
1988	28.1549606323242
1989	28.7788600921631
1990	28.2308197021484
1991	28.0139598846436
1995	36.0789184570313
1996	37.6628189086914
1997	39.964958190918
1998	42.9809417724609
1999	49.232479095459
2000	52.4202613830566
2001	52.3936882019043
2002	53.5769500732422
2003	52.4458999633789
2004	45.8697090148926
2005	46.4371910095215
2006	47.6129989624023
2007	50.3671684265137
2008	54.545238494873
2009	58.9168510437012
2010	61.6531105041504
2011	63.2317008972168
2012	62.8806381225586
2013	62.1851615905762
2014	62.125129699707
2015	63.5628318786621
2016	64.4591293334961
2017	70.0488891601563
2018	69.22509765625
2019	70.8303070068359
2020	70.9137268066406