Year	%
1996	71.13
1999	71.12
2000	71.12
2001	71.12
2002	71.12
2003	71.12
2006	71.12
2007	71.12
2008	71.12
2009	71.12
2010	71.1
2011	71.1
2012	71.1
2013	71.1
2014	71.1
2015	71.1
2016	71.1
2017	71.1
2018	71.1
2019	71.1
2020	71.09