Year	Percent
2006	93.80658
2007	94.04473
2008	94.28317
2009	94.52191
2010	94.76095
2011	95.0003
2012	95.23994
2013	95.47988
2014	95.72012
2015	95.96066
2016	96.2015
2017	96.44264
2018	97.89712
2019	98.0295
2020	98.16189
2021	98.16189
2022	98.16189