Year	%
1996	22.41
1997	22.41
1998	22.41
1999	22.41
2000	22.41
2001	22.41
2002	22.41
2003	22.41
2004	22.47
2005	22.47
2006	22.47
2007	31.8
2008	31.86
2009	32.01
2010	31.9
2011	31.86
2014	31.44
2016	23.09
2017	23.04
2018	23.04
2019	23.04
2020	23.04
2021	23.04