Year	%
2008	7.1406667873378
2009	8.66183278135394
2010	9.00580094150151
2011	8.20051327149604
2012	9.04806163615419
2013	9.8749264718968
2014	10.6800633483299
2015	15.0486648783742
2016	13.9638640124111
2017	13.0952765067024
2018	12.6974210538735
2019	12.1046503114663
2020	10.5469283348323
2021	9.26624193499658
2022	9.4535578659331