Year	Percent
2000	97.53592
2001	97.66663
2002	97.79516
2003	97.92198
2004	98.04709
2005	98.17043
2006	98.29211
2007	98.41206
2008	98.53033
2009	98.6469
2010	98.76179
2011	98.87503
2012	98.98661
2013	99.09654
2014	99.20485
2015	99.31157
2016	99.41671
2017	99.52031
2018	99.61006
2019	99.64512
2020	99.66338
2021	99.66232
2022	99.66126