Year	%
1996	56.57
1999	56.62
2000	56.62
2001	56.62
2002	56.62
2003	56.62
2006	56.61
2007	56.56
2008	56.56
2009	56.56
2010	56.56
2011	56.56
2012	56.56
2013	56.56
2015	56.56
2016	56.56
2017	56.56
2018	56.56
2019	57.23
2020	57.24
2021	57.23