Year	% gross
1975	39.4626388549805
1976	40.7252388000488
1977	42.3420181274414
1978	41.9968910217285
1979	38.7128982543945
1980	34.0160713195801
1981	31.2464904785156
1982	28.7636604309082
1983	27.9203395843506
1984	27.9782791137695
1985	29.5050506591797
1986	30.5204391479492
1987	33.2400016784668
1988	34.842098236084
1989	35.8430290222168
1990	36.0995216369629
1991	38.009521484375
1992	40.5167999267578
1993	42.4369201660156
1994	44.1312294006348
1995	46.447380065918
1996	49.62548828125
1997	52.0455703735352
1998	54.1854705810547
1999	56.0836410522461
2000	57.541820526123
2001	60.0606384277344
2002	61.269660949707
2003	62.9384918212891
2004	66.1716079711914
2005	68.7488327026367
2006	71.8348007202148
2007	75.7756576538086
2008	78.7623062133789
2009	83.4416275024414
2010	84.5828094482422
2011	86.099479675293
2012	87.0187530517578
2013	88.0266265869141
2014	87.696907043457
2015	87.846809387207
2016	87.2226791381836
2017	87.2722473144531
2018	87.9517364501953
2019	89.3505477905273
2020	90.0055618286133
2021	90.5106887817383
2022	91.0849761962891