Year	Percent
2000	98.02182
2001	97.92139
2002	97.82093
2003	97.72045
2004	97.61993
2005	97.51939
2006	97.41882
2007	97.31822
2008	97.21759
2009	97.11693
2010	97.01624
2011	96.91552
2012	96.81477
2013	96.714
2014	96.61319
2015	96.51236
2016	96.4115
2017	96.31061
2018	96.20969
2019	96.22201
2020	96.23434
2021	96.24666
2022	96.24666