Year	Percent
2000	97.46607
2001	97.52884
2002	97.59156
2003	97.65425
2004	97.7169
2005	97.77951
2006	97.84208
2007	97.9046
2008	97.96709
2009	98.02954
2010	98.09195
2011	98.15432
2012	98.21665
2013	98.27894
2014	98.34119
2015	98.4034
2016	98.46557
2017	98.5277
2018	98.58979
2019	98.65184
2020	98.71385
2021	98.71385
2022	98.71385