Year	%
2001	12.42
2002	12.42
2003	12.73
2004	12.92
2005	10.68
2006	12.82
2007	16.88
2008	12.45
2009	11.36
2010	14.1
2011	13.12
2012	12.33
2013	13.16
2014	12.16
2017	17.8
2018	15.9
2019	17.45
2020	16.27
2021	16.36