Year	%
1996	23.33
1999	23.01
2000	11.53
2001	11.94
2002	11.95
2003	11.94
2004	12
2005	12
2006	11.97
2007	11.97
2008	11.97
2009	12
2010	14.58
2011	14.58
2012	15.26
2013	12.94
2014	12.88
2015	12.88
2016	12.88
2017	12.88
2018	12.88
2019	12.88
2020	12.88
2021	12.88