Year	Percent
2000	98.6226
2001	98.66421
2002	98.66611
2003	98.66797
2004	98.6698
2005	98.67159
2006	98.67335
2007	98.67508
2008	98.67678
2009	98.67844
2010	98.68006
2011	98.68166
2012	98.68322
2013	98.68474
2014	98.68624
2015	98.6877
2016	98.68912
2017	98.69052
2018	98.69188
2019	98.6932
2020	98.6945
2021	98.73579
2022	98.77708