Year	%
1993	5
2001	10.73
2002	11.34
2003	11.26
2004	11.4
2005	10.98
2006	8.25
2007	8.05
2008	8.05
2009	8.05
2010	7.73
2011	7.46
2012	7.76
2013	7.76
2014	7.06
2015	6.43
2016	5.65
2017	15.16
2018	11.75
2019	5.25
2020	5.4
2021	5.2