Year	%
1995	13.42
1997	13.42
2001	11.99
2002	13.52
2003	12.48
2004	10.53
2005	11.77
2006	12.54
2007	12.47
2008	13.61
2009	13.42
2010	14.27
2011	14.37
2013	13.5
2015	13.27
2016	16.1