Year	Percent
2011	6.86819
2012	7.80238
2013	8.78381
2014	9.81375
2015	10.894
2016	12.02581
2017	13.21073
2018	14.45064
2019	15.74728
2020	15.84482
2021	15.94723
2022	16.05518