Year	%
2011	21.2568152337493
2012	7.06540793782702
2013	6.67915282830046
2014	7.06684982304958
2015	6.33586520518742
2016	16.5034214266212
2017	6.86150898089956
2018	7.00625001241205
2019	7.40992674549429
2020	6.81670716392261