Year	%
2001	13.85
2002	7.74
2004	8.09
2005	7.72
2006	7.21
2007	6.07
2008	6.07
2009	6.97
2010	6.42
2011	6.49
2012	6.68
2013	7.14
2014	6.31
2015	6.16
2016	5.95
2017	5.32
2018	5.22
2019	4.98
2020	4.69
2021	5.4