Year	% gross
1975	19.1750602722168
1976	19.3470897674561
1980	22.2792301177979
1981	23.0368309020996
1983	23.0832901000977
1986	26.1166095733643
1991	36.5044288635254
1992	35.533618927002
1993	31.2588806152344
1994	21.7082405090332
1995	20.7619895935059
1996	22.733829498291
1997	24.5604000091553
2004	48.6890716552734
2005	56.8915405273438
2006	65.8132476806641
2007	68.7667999267578
2008	72.1866226196289
2009	69.6850814819336
2010	72.7572021484375
2011	75.8748397827148
2012	75.1494445800781
2013	76.9001998901367
2014	78.2456817626953
2015	79.1671371459961
2016	82.7476806640625
2017	85.5348968505859
2018	86.7527236938477
2019	86.9746475219727
2020	86.5299072265625
2021	80.7698745727539