Year	%
1995	35.64
1997	36.62
1998	35.64
1999	36.63
2000	36.63
2001	36.63
2002	36.63
2003	36.63
2004	36.47
2005	36.47
2006	36.47
2007	36.85
2008	36.84
2009	36.84
2010	36.84
2011	36.83
2012	36.83
2013	36.83
2014	36.57
2015	36.53
2016	36.53
2017	36.53
2018	36.53
2019	36.59