Year	Percent
2000	98.89994
2001	98.89994
2002	98.90473
2003	98.90953
2004	98.91433
2005	98.97022
2006	99.02612
2007	99.08203
2008	99.13794
2009	99.19386
2010	99.24978
2011	99.30571
2012	99.36164
2013	99.41757
2014	99.47352
2015	99.52946
2016	99.58541
2017	99.64137
2018	99.68307
2019	99.6879
2020	99.69273
2021	99.69757
2022	99.69757