Year	%
1997	79.92
2001	79.93
2002	79.93
2003	79.93
2004	79.93
2005	79.93
2006	79.93
2007	79.92
2008	79.92
2009	79.92
2010	79.92
2011	79.92
2013	79.93
2015	79.92
2016	79.92