Year	% gross
1971	2.75321006774902
1972	3.39314007759094
1973	3.44646000862122
1974	3.45881009101868
1975	3.52885007858276
1976	3.69057011604309
1977	3.79052996635437
1978	3.82358002662659
1979	3.8604199886322
1980	3.92867994308472
1981	3.9993999004364
1982	4.05783987045288
1983	5.71705007553101
1984	9.73954963684082
1985	8.69723987579346
1986	9.30090999603271
1987	10.799090385437
1993	17.4233894348145
1994	19.0696601867676
1995	24.271390914917
1996	30.0672798156738
1997	31.5229892730713
1998	31.6937103271484
1999	32.5156707763672
2000	34.606201171875
2002	32.1884498596191
2003	31.6273307800293
2004	30.5191192626953
2005	32.8767013549805
2006	35.2062187194824
2007	35.0659484863281
2008	37.0784187316895
2009	40.0511589050293
2010	40.5358085632324
2011	40.3956184387207
2012	42.0848388671875
2013	45.759349822998
2014	47.8621101379395
2015	48.3735084533691
2016	48.5694198608398
2017	51.005069732666
2018	51.4373817443848
2019	57.1337699890137
2020	57.5987586975098
2021	33.3575210571289