Year	%
1995	2.96
1996	2.95
1997	2.95
1998	2.95
1999	2.95
2000	2.95
2001	2.95
2002	8.84
2003	8.3
2004	7.49
2005	7.16
2006	6.91
2007	6.57
2008	6.23
2009	6.17
2010	6.41
2011	6.73
2012	7.84
2013	7.47
2014	6.86
2015	3.06
2016	3.06
2017	3.08
2018	3.08
2019	3.08
2020	3.08
2021	3.08
