Year	%
1996	14.51
1997	14.51
1998	14.51
1999	14.51
2000	14.51
2001	14.51
2002	36.21
2003	35.79
2004	33.75
2005	33.25
2006	33.04
2007	32.9
2008	33.26
2009	32.93
2010	32.83
2011	32.81
2012	32.63
2013	34.43
2014	14.55
2016	14.55
2020	14.52
2021	14.52