Year	Percent
2010	15.18321
2011	13.09384
2012	11.81876
2013	12.00037
2014	10.79001
2015	8.76903
2016	12.06956
2017	9.80766
2018	9.83884
2019	10.35729
2020	17.37136
2021	15.44898