Year	Percent
2000	86.50062
2001	86.89612
2002	87.28851
2003	87.67411
2004	88.05452
2005	88.43187
2006	88.80632
2007	89.17802
2008	89.54695
2009	89.91275
2010	90.27592
2011	90.6361
2012	90.99354
2013	91.34941
2014	91.70357
2015	92.05609
2016	92.40653
2017	92.75494
2018	93.13264
2019	93.50771
2020	93.88009
2021	94.24962
2022	94.61611