Year	% gross
1971	9.45059013366699
1972	10.0754499435425
1973	10.3985395431519
1974	11.3996496200562
1975	12.3761901855469
1976	13.620189666748
1977	14.3434400558472
1978	13.9122495651245
1979	16.0391807556152
1980	22.2389602661133
1981	26.7040405273438
1982	29.1139297485352
1983	30.8971900939941
1984	30.5139904022217
1985	29.6206493377686
1986	29.4045600891113
1987	31.3005790710449
1988	31.3768196105957
1989	30.7005500793457
1990	28.1909008026123
1991	25.6308193206787
1992	21.635009765625
1993	18.3253707885742
1994	20.305419921875
1995	22.3926792144775
1996	25.8741703033447
1997	29.0142402648926
1998	36.3049087524414
1999	36.2835311889648
2000	41.376220703125
2001	47.2559509277344
2002	50.6898002624512
2003	52.6338005065918
2004	57.4327087402344
2005	70.1597595214844
2006	76.3929977416992
2007	83.2236633300781
2008	89.809928894043
2009	89.880241394043
2010	87.9073715209961
2011	89.9365768432617
2012	89.7294082641602
2013	86.2060012817383
2014	92.6319427490234
2015	93.0721435546875
2016	94.3249969482422
2017	93.5039978027344
2018	93.0009994506836
2019	88.4710006713867
2020	109.610946655273
2021	98.56005859375
2022	82.234001159668