Year	Percent
2006	90.64151
2007	91.17759
2008	91.71584
2009	92.25611
2010	92.79849
2011	93.34305
2012	93.88979
2013	94.43875
2014	94.98996
2015	95.54342
2016	96.09908
2017	96.657
2018	97.21425
2019	97.5023
2020	97.77177
2021	97.79111
2022	97.81045
