Year	%
2001	11.95
2002	11.59
2004	13.12
2005	10.7
2006	9.31
2007	9.98
2008	8.7
2009	8.24
2010	7.92
2011	7.44
2012	7.39
2013	11.48
2014	8.01
2015	6.3
2016	5.22
2017	7.34
2018	7.48
2019	7.67
2020	6.82
2021	8.53