Year	% gross
1980	0.229570001363754
1981	0.233909994363785
1982	0.201379999518394
1983	0.192550003528595
1984	0.178039997816086
1985	0.181140005588531
1986	0.184139996767044
1987	0.209380000829697
1988	0.19004000723362
1989	0.163709998130798
1990	0.259140014648438
1991	0.269309997558594
1992	0.276540011167526
1993	0.251069992780685
1994	0.300020009279251
1995	0.337009996175766
1996	0.345129996538162
1999	0.158869996666908
2000	0.170159995555878
2002	0.209089994430542
2004	0.304030001163483
2005	0.298629999160767
2006	0.302569985389709
2007	0.303799986839294
2010	0.525600016117096
2011	0.631190001964569
2012	0.685999989509583
2014	0.745999991893768
2015	0.890999972820282
2018	1.27300000190735
2020	1.87000000476837
2021	1.89300000667572
2022	2.2039999961853
