Year	%
2010	8.3391383685179
2011	7.7916260289616
2012	7.99392498542367
2013	8.51510919374949
2014	8.86966732033156
2015	9.21830423792436
2016	9.32105023101826
2017	9.5188320595929
2018	10.554282220997
2019	9.28523021717754
2020	9.60224521673964
2021	9.2598770909426