Year	%
2001	6.78
2004	6.1
2005	6.52
2006	6.48
2007	6.52
2008	6.33
2009	6.26
2010	6.24
2011	6.19
2012	6.2
2013	6.15
2014	6.02
2015	6.17
2016	6.24
2017	6.22
2018	6.22
2019	10.82
2020	6.12
2021	6.37