Year	Percent
2006	92.37776
2007	92.94528
2008	93.51424
2009	94.08466
2010	94.65652
2011	95.22983
2012	95.80459
2013	96.3808
2014	96.95846
2015	97.53757
2016	98.11812
2017	98.70013
2018	99.27928
2019	99.45564
2020	99.63199
2021	99.63199
2022	99.63199