Year	% gross
1977	2.51881003379822
1978	2.43050003051758
1979	2.170490026474
1980	1.90482997894287
1981	2.25148010253906
1982	2.69022011756897
1983	2.95492005348206
1984	2.83498001098633
1985	2.40711998939514
1987	2.5518000125885
1988	2.72581005096436
1993	5.89990997314453
1996	17.7082004547119
2004	14.0149698257446
2005	13.6527500152588
2006	10.2959804534912
2007	9.23097038269043
2008	16.6752891540527
2009	18.0596809387207
2010	12.6183204650879
2011	16.3322505950928
2012	10.2659502029419
2013	13.9913196563721
2014	17.0471706390381
2015	17.0072593688965
2016	19.8053798675537
2017	20.7909393310547
2018	14.6977701187134
2019	16.0102691650391
2020	16.9041500091553
2022	16.2592697143555