Year	%
1993	5
2001	10.73
2002	11.34
2003	11.26
2004	11.4
2005	10.98
2006	10.44
2007	10.26
2008	10.26
2009	10.26
2010	10.48
2011	10.2
2012	9.63
2013	9.64
2014	9.44
2015	10.01
2016	10.41
2017	15.16
2018	14.31
2019	15.26
2020	10.68
2021	9.71