Year	Percent
2000	97.2277
2001	97.0506
2002	96.87351
2003	96.69641
2004	96.51932
2005	96.34222
2006	96.16513
2007	95.98803
2008	95.81094
2009	95.63384
2010	95.45675
2011	95.27965
2012	95.10256
2013	94.92546
2014	94.74837
2015	94.57128
2016	94.39418
2017	94.21709
2018	94.03999
2019	93.8629
2020	93.6858
2021	93.50871
2022	93.33161