Year	%
2008	3.92151508288564
2009	5.93611112398252
2010	5.79213600421705
2011	4.68085453063316
2012	4.04289177410579
2013	3.64128702921644
2014	3.24484679094119
2015	3.12168564309893
2016	2.85780789685004
2017	2.84200004498428
2018	3.72802083553832
2019	3.89239038176021
2020	5.18028329482246
2021	4.45425562129511