Year	%
2001	14.02
2002	8.29
2004	9.16
2005	8.29
2006	7.94
2007	7.4
2008	7.39
2009	6.97
2010	6.51
2011	6.5
2012	6.49
2013	6.38
2014	6.4
2015	6.38
2016	6.35
2017	6.39
2018	6.39
2019	6.39
2020	6.39
2021	6.35