Year	%
2001	13.87
2002	12.95
2003	12.94
2004	11.88
2005	11.97
2006	9.96
2007	10.87
2008	10.87
2009	10.87
2010	10.67
2011	10.26
2012	11.01
2013	11.48
2014	11.22
2015	9.58
2016	10.36
2017	16.07
2018	15.14
2019	11.69
2020	9.56
2021	9.64