Year	%
2012	16.5560578371966
2013	17.7812976878054
2014	20.3563465758394
2015	19.6467562639964
2016	16.8206005734775
2017	15.332517350126
2018	15.9679986098282
2019	17.6617302487441
2020	17.2063027656773
2021	15.1721192540546