Year	Percent
2000	97.87957
2001	97.87957
2002	97.87957
2003	97.87957
2004	97.93448
2005	97.98939
2006	98.0443
2007	98.09921
2008	98.15412
2009	98.20903
2010	98.26394
2011	98.31884
2012	98.37375
2013	98.42866
2014	98.48357
2015	98.53848
2016	98.59339
2017	98.6483
2018	98.70321
2019	98.75812
2020	98.98784
2021	99.45055
2022	99.45053