Year	%
2001	8.48
2002	8.22
2004	9.98
2005	11
2006	10.96
2007	7.67
2008	8.03
2009	9.04
2010	8.34
2011	7.8
2012	6.62
2013	6.13
2014	5.6
2015	7.81
2016	7.09
2017	6.66
2018	5.07
2019	14.32
2020	4.43
2021	4.86