Year	%
2001	8.26
2002	6.79
2003	7.92
2004	8.02
2005	8.19
2006	8.48
2007	7.01
2008	7.01
2009	7.72
2010	7.6
2011	7.4
2012	6.93
2013	6.93
2014	7.38
2015	7.92
2016	8.04
2017	13.03
2018	12.05
2019	8.48
2020	8.41
2021	7.98
