Year	%
1995	51.37
1996	51.18
1997	51.18
1998	25.59
1999	17.06
2000	62.78
2001	56.39
2002	58.37
2003	68.77
2004	68.77
2005	68.77
2006	81.26
2007	94.53
2008	94.53
2009	94.54
2010	95.08
2011	94.54
2012	99.98
2013	95.62
2014	99.99
2015	95.99
2016	95.99
2017	20