Year	%
1995	79.16
1997	99.73
1998	86.01
1999	99.68
2000	89.48
2001	99.78
2002	91.59
2003	89.33
2004	85.76
2005	91.46
2006	91.46
2007	99.76
2008	89.45
2009	91.55
2010	89.45
2011	91.56
2012	91.51
2013	85.85
2014	99.83
2015	91.52
2016	91.52
2017	24.84