Year	% gross
1971	1.18516004085541
1972	1.09379994869232
1973	0.961480021476746
1974	1.70348000526428
1975	1.71653997898102
1976	1.57263994216919
1977	2.60060000419617
1978	2.98681998252869
1979	2.82293009757996
1980	3.15412998199463
1981	4.70066022872925
1982	5.23265981674194
1985	7.13161993026733
1986	6.34788990020752
1987	5.70193004608154
1988	7.63453006744385
1991	12.8422603607178
1992	12.1194896697998
1993	12.6621198654175
1994	11.2825498580933
1995	10.130880355835
1996	9.52423000335693
1999	11.6089000701904
2003	20.355640411377
2005	12.1564702987671
2006	10.3529796600342
2011	35.6755981445312
2012	33.0922508239746
2013	28.2702693939209
2014	31.4228191375732
2015	31.3497104644775
2016	31.1265106201172
2017	31.7791900634766
2018	34.4538383483887
2019	38.7968406677246
2020	41.4219512939453
2021	55.0433006286621
2022	62.4742393493652