Year	% gross
1970	26.3951606750488
1971	28.0801696777344
1972	31.5232696533203
1973	33.7345504760742
1974	39.3076591491699
1975	42.0571517944336
1976	44.8282699584961
1977	46.5706405639648
1978	47.9686012268066
1979	48.6217308044434
1980	49.1850395202637
1981	50.3127517700195
1982	51.3273696899414
1983	52.3818817138672
1984	53.1777992248535
1985	53.6241416931152
1986	55.3346900939941
1987	56.1877403259277
1988	57.0674591064453
1989	57.7528991699219
1990	58.4679794311523
1991	59.7414703369141
1992	60.7084999084473
1993	61.2487983703613
1994	62.5527496337891
1995	64.1392135620117
1996	65.7454071044922
1997	66.9650192260742
1998	69.5626525878906
1999	71.9189605712891
2000	73.6580429077148
2001	75.5534973144531
2002	88.8379364013672
2003	86.6777725219727
2004	88.5837173461914
2005	89.1458969116211
2006	83.8496475219727
2007	89.3794784545898
2008	90.8395004272461
2009	91.9078979492188
2010	92.7356796264648
2011	93.0710525512695
2012	92.2314224243164
2013	97.0022735595703
2014	96.9939727783203
2015	97.0249328613281
2016	97.8550567626953
2017	98.0756378173828
2018	99.3691101074219
2019	99.4705963134766
2020	98.993293762207
2021	99.9595336914062
2022	99.7186965942383