Year	% gross
1992	69.2714767456055
1994	58.5863990783691
2008	75.5295181274414
2009	75.262809753418
2011	73.9818420410156
2012	75.4713897705078
2013	78.0850067138672
2014	81.5690231323242
2015	84.3342132568359
2016	86.1074523925781
2017	85.8206024169922
2018	85.3954162597656
2019	85.4408721923828