Year	%
2008	4.33501741653286
2009	5.53732069049356
2010	5.23441668004042
2011	4.99762766316247
2012	6.2837806517406
2013	6.39190326438411
2014	6.49562441480695
2015	7.01051761355808
2016	7.35565373285554
2017	8.35098240479585
2018	7.97870895703011
2019	7.44086665982223
2020	8.63865053727864
2021	7.85038707088602
2022	8.13171620550761