Year	% gross
1970	27.1322498321533
1971	28.5178298950195
1972	31.7896308898926
1973	34.0275115966797
1974	39.3645095825195
1975	41.2073516845703
1976	43.9357604980469
1977	46.2892608642578
1978	47.5467185974121
1979	48.284351348877
1980	48.8983917236328
1981	49.6190490722656
1982	50.6778602600098
1983	51.5750007629395
1984	52.4085083007812
1985	52.8928985595703
1986	54.3317108154297
1987	55.1342582702637
1988	55.9080505371094
1989	56.4493713378906
1990	56.8714485168457
1991	57.8774185180664
1992	58.9385604858398
1993	59.3556900024414
1994	60.589111328125
1995	62.1170310974121
1996	63.9632911682129
1997	65.118537902832
1998	67.5775299072266
1999	69.8051834106445
2000	71.5265197753906
2001	73.2905807495117
2002	85.943000793457
2003	83.5033416748047
2004	85.4783096313477
2005	85.9038925170898
2006	80.6509704589844
2007	85.8674011230469
2008	87.2007064819336
2009	88.3251037597656
2010	89.3192901611328
2011	89.782829284668
2012	89.2695693969727
2013	94.2468872070312
2014	94.2627410888672
2015	94.4667129516602
2016	95.5284729003906
2017	95.9816818237305
2018	97.1421813964844
2019	97.0279922485352
2020	96.4162521362305
2021	96.7118606567383
2022	96.8369293212891