Year	%
1995	67.46
1998	67.74
2000	67.74
2002	67.74
2003	66.53
2004	66.53
2005	66.53
2006	66.53
2008	66.01
2009	66.01
2010	66.01
2011	66.06
2012	63.06
2013	63.06
2015	63.06
2016	63.06