Year	%
1995	33.72
1996	33.67
1997	33.67
1998	33.67
1999	33.67
2000	33.67
2001	33.67
2002	36.42
2003	35.96
2004	34.62
2005	34.61
2006	34.73
2007	35.65
2008	35.43
2009	35.3
2010	35.25
2011	35.27
2012	38.73
2013	38.79
2014	38.76
2015	33.33
2016	33.33
2017	33.53
2018	33.53
2020	33.53
2021	33.53