Year	%
2002	9.73
2003	7.69
2004	9.54
2005	10.29
2006	10.38
2007	10.7
2008	12.15
2009	13.09
2010	13.44
2011	14.12
2012	12.67
2013	15.4
2014	15.1
2015	12.92
2016	12.04