Year	Percent
2001	96.13926
2002	96.13926
2003	96.13926
2004	96.13926
2005	96.13926
2006	96.10153
2007	96.0638
2008	96.02607
2009	95.98834
2010	95.95061
2011	95.91288
2012	95.87515
2013	95.83742
2014	95.79969
2015	95.76196
2016	95.72423
2017	95.6865
2018	95.64877
2019	95.61104
2020	95.57331
2021	95.53558
2022	95.49785