Year	%
2002	11.56
2004	11.56
2005	11.77
2006	11.77
2008	11.49
2009	11.46
2010	11.41
2011	11.26
2012	11.1
2013	10.96
2014	22.71
2015	22.32
2016	22.32
2018	19.19
2019	18.5
2020	19.82
2021	22.47