Year	%
2001	14.38
2002	14.17
2003	14.24
2004	14.1
2005	14.27
2006	12.8
2007	12.71
2008	12.7
2009	12.71
2010	12.8
2011	13.14
2012	13.13
2013	13.29
2014	13.17
2015	10.73
2016	10.84
2017	13.27
2018	13.08
2019	12.18
2020	10.55
2021	10.48