Year	% gross
2005	11.2459802627563
2013	13.7434501647949
2014	17.0975170135498
2015	19.8699474334717
2016	21.3907585144043
2017	23.2488040924072
2018	22.6242179870605
2019	24.604118347168
2020	27.2132434844971