Year	% gross
1971	38.5006790161133
1972	50.0939483642578
1977	55.7567901611328
1978	64.0463409423828
1984	63.5895195007324
1987	61.6017990112305
1988	64.8108520507813
1994	61.8416290283203
1995	66.3115386962891
1996	64.1609725952148
1997	72.2447280883789
1998	73.684211730957
1999	76.9486694335938
2001	93.8712997436523
2002	83.6438903808594
2003	87.1034774780273
2004	91.2133865356445
2005	95.0216522216797
2007	98.3908004760742
2008	113.126487731934
2009	113.763168334961
2010	116.054161071777
2011	122.207618713379
2013	102.571601867676
2014	94.7864685058594
2015	89.0807800292969
2016	92.0022125244141
2017	101.434089660645
2018	102.280311584473
2020	127.774681091309