Year	% gross
1971	0.0669099986553192
1972	0.0903500020503998
1973	0.104089997708797
1974	0.154660001397133
1975	0.172859996557236
1976	0.345010012388229
1977	0.303730010986328
1978	0.36243000626564
1979	0.374639987945557
1980	0.335460007190704
1981	0.438950002193451
1982	0.664569973945618
1983	0.76444000005722
1984	0.81726998090744
1985	0.885950028896332
1986	0.911930024623871
1987	0.943929970264435
1988	1.00721001625061
1989	1.12899005413055
1990	1.15882003307343
1991	1.0825400352478
1992	1.46063995361328
1993	1.70094001293182
1994	1.63276994228363
1995	1.74547004699707
1996	1.63201999664307
1997	1.52277004718781
1999	1.5349999666214
2002	2.00450992584229
2003	2.33506989479065
2005	2.95704007148743
2006	3.09773993492126
2007	3.30205011367798
2008	3.92031002044678
2009	4.40995979309082
2010	4.54793977737427
2011	5.27372980117798
2012	5.84743022918701
2013	6.17564010620117
2014	6.63836002349854
2015	6.48613977432251
2016	7.19331979751587
2017	7.71470022201538
2018	8.04211044311523
2019	8.90075016021729
2020	9.91168975830078
2021	11.7485504150391
2022	11.949330329895