Year	%
1996	20.59
1999	17.14
2000	17.15
2001	7.86
2002	7.86
2003	7.86
2005	7.81
2006	7.81
2007	7.81
2010	8.97
2011	8.97
2012	8.9
2013	8.9
2014	6.86
2015	6.86
2016	6.86
2019	6.86
2020	6.88