Year	%
2001	6.06
2002	5.34
2004	6.9
2005	6.57
2006	6.41
2007	6.71
2008	6.4
2009	6.52
2010	6.66
2011	6.38
2012	6.5
2013	6.76
2014	6.66
2015	6.89
2016	7.42
2017	6.05
2018	6.35
2019	7.26
2020	6.66
2021	6.73