Year	% gross
1971	12.086799621582
1972	12.627329826355
1973	14.0310001373291
1974	15.1451196670532
1975	16.3053493499756
1976	18.9423294067383
1977	22.401029586792
1978	26.1533603668213
1979	28.6587791442871
1980	30.5270404815674
1981	32.451789855957
1982	35.2239799499512
1983	38.3103218078613
1984	41.5436706542969
1985	44.670841217041
1986	48.9909706115723
1987	51.5151710510254
1988	52.832950592041
1989	60.254711151123
1990	60.4537887573242
1991	59.5044708251953
1992	59.6098785400391
1993	59.8079795837402
1994	60.7178001403809
1995	60.0844688415527
1996	59.7206611633301
1997	59.1203689575195
1999	65.0971527099609
2000	64.9110488891602
2001	69.075569152832
2002	72.8870697021484
2003	75.7509384155273
2004	79.9005279541016
2005	82.0377502441406
2006	83.6042022705078
2007	73.5201416015625
2008	80.2112808227539
2009	96.5110092163086
2010	100.709121704102
2011	103.116470336914
2022	105.932548522949
2023	102.7021484375