Year	%
2008	7.80959011687568
2009	8.2756678524986
2010	7.80073263265782
2011	9.16961736470746
2012	8.96524690466602
2013	9.30405877390843
2014	9.19111456924678
2015	8.53263522208311
2016	9.17398633851876
2017	10.1451755194852
2018	10.9798499085854
2019	11.0456863889828
2020	10.2158600388512