Year	%
2001	14.23
2002	14.07
2003	14.15
2004	13.9
2005	14.05
2006	12.73
2007	12.47
2008	12.47
2009	12.47
2010	12.51
2011	12.89
2012	12.94
2013	13.11
2014	13.05
2015	10.27
2016	10.39
2017	12.63
2018	12.12
2019	11.48
2020	10.32
2021	10.23