Year	%
2001	13.87
2002	12.95
2003	12.94
2004	11.88
2005	11.97
2006	11.7
2007	11.82
2008	11.82
2009	11.82
2010	11.46
2011	10.91
2012	12.48
2013	12.93
2014	12.7
2015	14.08
2016	14.44
2017	16.07
2018	18.82
2019	19.74
2020	14.44
2021	14.03