Year	% gross
1979	23.9252605438232
1980	23.6021099090576
1982	26.648250579834
1983	27.545129776001
1985	29.6039390563965
1986	30.4125308990479
1987	31.1304206848145
1988	32.5644302368164
1989	37.2722015380859
1990	39.6809501647949
1991	42.4466209411621
1992	46.3633003234863
1993	50.0500984191895
1994	55.1307907104492
1995	57.2343788146973
1996	59.6375389099121
1997	60.5318298339844
1998	59.891429901123
1999	58.4657516479492
2000	55.5665092468262
2001	55.1610488891602
2002	55.499828338623
2003	57.9472503662109
2004	59.2412605285645
2005	59.996898651123
2006	60.2636413574219
2007	59.3123588562012
2008	58.7141609191895
2009	59.1619987487793
2010	61.2457084655762
2011	61.9770202636719
2012	64.5965881347656
2013	66.5081405639648
2014	68.3062973022461
2015	69.7196426391602
2016	71.7322006225586
2017	73.0402526855469
2018	75.1806030273438
2019	75.6418609619141
2020	77.1565780639648
2021	78.1471481323242
2022	80.6858901977539