Year	%
2003	8.33
2004	8.25
2005	9.59
2006	10.78
2007	11.83
2008	11.1
2009	12.11
2010	12.7
2011	12.28
2012	12.34
2013	12.31
2014	12.85
2015	13.51
2016	13.95
2017	13.21
2018	11.96