Year	Percent
2000	96.34664
2001	96.32715
2002	96.30766
2003	96.28817
2004	96.26868
2005	96.22459
2006	96.18051
2007	96.13644
2008	96.09238
2009	96.04833
2010	96.00429
2011	95.96026
2012	95.91624
2013	95.87223
2014	95.82823
2015	95.78424
2016	95.74026
2017	95.69629
2018	95.65233
2019	95.60838
2020	95.56444
2021	95.52051
2022	95.47659