Year	%
1995	2.94
1996	10.35
1997	10.35
1998	10.35
1999	6.68
2001	10.64
2002	10.77
2003	10.9
2004	10.96
2005	10.41
2006	10.62
2007	10.6
2008	10.6
2009	10.35
2010	10.35
2011	10.1
2012	9.78
2013	9.78
2014	9.78
2015	10.5
2016	10.5
2017	10.04
2018	10
2019	12.85
2020	11.66
2021	10.87