Year	%
2001	9.82
2002	6.72
2003	7.22
2005	7.31
2006	6.66
2007	8.01
2008	6.1
2009	5.22
2010	5.15
2011	6.16
2012	5.15
2014	4.25
2016	3.7
2018	3.67
2020	3.67
2021	3.75