Year	%
2001	7.82
2002	7.45
2004	6.25
2005	6.82
2006	6.71
2007	6.67
2008	6.47
2009	6.38
2010	6.35
2011	6.27
2012	6.25
2013	6.2
2014	6.07
2015	6.27
2016	6.39
2017	6.36
2018	6.37
2019	10.97
2020	6.29
2021	6.55