Year	%
1995	14.52
1997	14.52
2001	15.6
2002	14.96
2003	29.82
2004	29.82
2005	29.84
2006	29.83
2007	15.2
2008	15.19
2009	15.19
2010	15.19
2011	14.34
2012	15.13
2013	17.5
2015	17.43
2016	17.43
2017	17.43