Year	% gross
1971	0.751600027084351
1972	0.755270004272461
1973	0.848649978637695
1974	1.00330996513367
1975	1.07369995117188
1976	1.12653005123138
1977	1.1316100358963
1979	1.39452004432678
1980	1.7919100522995
1981	1.7720400094986
1982	2.06683993339539
1983	2.00153994560242
1984	2.19457006454468
1985	2.66283988952637
1986	3.04545998573303
1994	5.74541997909546
1999	7.11359977722168
2000	7.82444000244141
2001	8.00942993164062
2003	9.17953968048096
2004	10.1633396148682
2005	11.1046104431152
2006	11.9118499755859
2007	12.9431896209717
2008	15.3397703170776
2009	16.5849990844727
2010	18.3054294586182
2011	20.2618408203125
2012	22.5526790618896
2013	25.2655696868896
2014	27.5509605407715
2015	31.5587100982666
2016	34.0694808959961
2017	36.6587905883789
2018	39.6370315551758
2019	40.7245788574219
2020	40.3941688537598
2021	40.2863311767578
2022	36.2449798583984