Year	%
2001	9.4
2002	8.26
2003	9.12
2004	9.25
2005	9.2
2006	9.7
2007	8.83
2008	8.83
2009	9.36
2010	9.11
2011	8.9
2012	8.49
2013	8.48
2014	8.79
2015	9.09
2016	9.43
2017	12.3
2018	11.73
2019	9.72
2020	9.89
2021	9.46