Year	%
1996	98.32
1999	98.38
2001	98.38
2002	98.38
2003	98.38
2006	98.24
2007	98.24
2008	98.24
2009	97.96
2010	97.96
2011	97.96
2012	97.96
2013	96.58
2014	96.58
2015	96.58
2016	96.58
2017	96.58
2018	96.59
2019	96.57
2020	96.57
2021	96.57