Year	% gross
1971	2.7663300037384
1972	2.85503005981445
1973	2.1306300163269
1974	2.52179002761841
1975	2.97785997390747
1976	3.20653009414673
1977	3.06125998497009
1978	3.27805995941162
1979	3.39007997512817
1980	3.42344999313354
1981	3.78507995605469
1982	3.73855996131897
1983	3.7804000377655
1984	3.974289894104
1985	4.25459003448486
1986	4.56131982803345
1987	4.89027976989746
1988	5.0714898109436
1989	5.52022981643677
1990	5.82958984375
1991	6.74714994430542
1992	7.07910013198853
1993	7.69996023178101
2003	11.8322696685791
2004	13.7484998703003
2005	15.2465696334839
2006	16.8494396209717
2007	18.2390193939209
2009	24.8600692749023
2010	28.3757801055908
2011	31.678840637207
2012	34.4436187744141
2013	38.8019218444824
2014	44.1652183532715
2015	46.6699104309082
2016	48.9946899414062
2017	48.5029907226562
2018	45.1777496337891
2019	40.1182098388672
2020	41.9098587036133
2022	37.068000793457