Year	% gross
1979	9.01861953735352
1980	12.264760017395
1981	13.0388202667236
2006	33.1868095397949
2007	30.4764595031738
2008	31.5060596466064
2009	39.8483085632324
2010	37.2359199523926
2011	38.6973190307617
2012	38.2749290466309
2013	37.1384582519531
2014	35.0966110229492
2015	31.9435291290283
2017	22.4178009033203
2018	22.8644790649414
2023	16.992130279541