Year	%
2001	14.41
2002	8.4
2004	9.29
2005	8.4
2006	8.03
2007	7.52
2008	7.51
2009	7.16
2010	6.81
2011	6.8
2012	6.76
2013	6.66
2014	6.68
2015	6.67
2016	6.64
2017	6.69
2018	6.69
2019	6.69
2020	6.54
2021	6.84