Year	% gross
1974	18.9081192016602
1978	30.6555690765381
1979	28.3564605712891
1980	35.3737411499023
1981	40.2857093811035
1982	37.4270286560059
1983	36.2335586547852
1999	73.6214599609375
2000	68.0080032348633
2001	67.4717025756836
2002	77.5032196044922
2003	78.5620193481445
2004	79.9249496459961
2005	83.6227569580078
2006	86.7647094726563
2007	83.8348922729492
2008	78.1332626342773
2009	81.0186386108398
2010	76.3282470703125
2011	75.086051940918
2012	88.25
2014	87.2732620239258
2015	91.5497207641602
2016	90.8756866455078
2017	87.8844909667969
2018	85.9344863891602
2019	86.2937469482422
2020	82.17822265625
2021	73.5147705078125