Year	%
2001	6.61
2002	6.74
2004	6.05
2005	6.52
2006	6.48
2007	6.52
2008	6.35
2009	6.27
2010	6.26
2011	6.19
2012	6.2
2013	6.15
2014	6.02
2015	6.2
2016	6.33
2017	6.29
2018	6.26
2019	10.82
2020	6.12
2021	6.37