Year	% gross
1971	3.3510799407959
1972	2.87653994560242
1973	2.83523011207581
1974	2.78502988815308
1975	2.69668006896973
1976	2.91423010826111
1977	2.82789993286133
1978	2.96574997901917
1979	2.96855998039246
1980	2.8617000579834
1986	4.07506990432739
1987	4.05795001983643
1988	4.53550004959106
1990	4.1203498840332
1992	3.12056994438171
2003	2.64417004585266
2004	3.34957003593445
2005	4.67220020294189
2006	4.80418014526367
2007	5.41695976257324
2008	5.35222005844116
2009	6.54753017425537
2011	7.69999980926514
2012	8.625
2013	8.93000030517578
2014	8.60900020599365
2015	9.1230001449585
2016	9.04699993133545
2017	9.45400047302246
2018	9.04300022125244
2019	11.5880002975464
2020	12.1608800888062
2021	12.9750003814697
2022	13.1616401672363
2023	13.9333000183105