Year	Percent
2000	96.2704
2001	96.22993
2002	96.18946
2003	96.14899
2004	96.10852
2005	96.06804
2006	96.02757
2007	95.9871
2008	95.94663
2009	95.90616
2010	95.86569
2011	95.82522
2012	95.78474
2013	95.74427
2014	95.7038
2015	95.66333
2016	95.62286
2017	95.58239
2018	95.54192
2019	95.50145
2020	95.46097
2021	95.4205
2022	95.38003