Year	%
1994	13.77
1995	13.49
2001	13.47
2002	13.55
2003	14.69
2004	14.69
2005	15.07
2006	14.33
2007	14.42
2008	14.4
2009	14.16
2010	14.4
2011	14.24
2012	14.12
2013	14.34
2014	14.18
2019	13.77