Year	% gross
2011	1.14916002750397
2012	0.580990016460419
2013	1.81068003177643
2014	3.23456001281738
2015	7.84137010574341
2016	10.576060295105
2017	9.7098503112793
2018	8.98797035217285
2019	9.72733974456787
2020	7.11581993103027
2021	6.29649019241333
2022	10.5574998855591
