Year	%
2006	80.57195929657168
2007	80.78299270406067
2008	82.48054170358182
2009	84.42823028367177
2010	87.43222566317591
2011	87.45018482123764
2012	87.44785577291907
2013	86.98408474410513
2014	87.89051068583991
2015	88.4558013193636
2016	88.46139951798197
2017	91.10652848871361
2018	91.10323178427082
2019	91.13692136986006
2020	91.60248305773922
2021	91.99070590232708
2022	92.40561420160138