Year	%
1995	62.78
1996	43.27
1997	35.85
1998	43.27
1999	34.62
2000	49.65
2001	46.63
2002	34.37
2003	52.81
2004	76.81
2005	76.81
2006	78.73
2007	88.11
2008	88.12
2009	88.12
2010	88.97
2011	81.83
2012	91.9
2013	83.12
2014	99.53
2015	89.79
2016	89.79
2017	15.38