Year	%
2001	10.88
2002	9.19
2004	10.81
2005	11.19
2006	10.73
2007	9.53
2008	9.23
2009	9.84
2010	9.55
2011	9.4
2012	8.19
2013	7.72
2014	7.55
2015	7.61
2016	7.82
2017	8.3
2018	6.76
2019	11.1
2020	6.26
2021	6.54