Year	%
2001	12.8
2002	12.8
2003	13.28
2004	13.94
2005	11.62
2006	13.81
2007	13.36
2008	13.38
2009	11.62
2010	13.85
2011	13.22
2012	12.28
2013	12.79
2014	12.69
2017	15.5
2018	14.43
2019	15.19
2020	14.65
2021	14.72