Year	%
1996	22.22
1999	19.72
2001	10.53
2002	10.53
2003	10.53
2006	10.39
2007	10.38
2008	10.38
2009	10.59
2010	10.58
2011	10.37
2012	10.37
2013	11.28
2014	11.28
2015	11.28
2016	11.28
2017	11.28
2018	11.3
2019	11.3
2020	11.93
2021	11.94