Year	%
1996	49.68
1999	49.68
2000	49.68
2001	49.68
2002	49.68
2003	49.68
2004	49.69
2006	49.69
2007	49.64
2010	49.64
2011	49.64
2012	49.64
2013	49.64
2015	50.44
2016	50.44
2020	50.58
2021	50.58