Year	% gross
1991	34.1853218078613
1992	35.9999618530273
1993	40.1300811767578
1994	43.3363800048828
1995	46.4355697631836
1996	48.2839698791504
1997	48.954719543457
2013	60.8984489440918
2014	65.1844787597656
2015	68.23291015625
2016	67.9464111328125
2017	68.4692306518555
2018	69.1634292602539
2019	72.705078125
2020	72.3894195556641
2021	75.6655426025391