Year	Percent
2000	98.35624
2001	98.34854
2002	98.3409
2003	98.33334
2004	98.32881
2005	98.31888
2006	98.311
2007	98.30514
2008	98.30126
2009	98.29934
2010	98.29926
2011	98.30131
2012	98.30555
2013	98.31192
2014	98.32036
2015	98.33086
2016	98.34333
2017	98.35775
2018	98.374
2019	98.39199
2020	98.65157
2021	99.18792
2022	99.17887