Year	Percent
2000	97.9731
2001	98.01251
2002	98.05191
2003	98.09132
2004	98.13072
2005	98.17013
2006	98.20953
2007	98.24893
2008	98.28834
2009	98.32774
2010	98.36715
2011	98.40655
2012	98.44596
2013	98.48536
2014	98.52477
2015	98.56417
2016	98.60358
2017	98.64298
2018	98.68238
2019	98.72179
2020	98.76119
2021	98.8006
2022	98.84