Year	%
1996	42.57
1999	42.51
2000	42.51
2001	42.51
2002	42.51
2003	42.51
2004	42.39
2006	42.39
2007	42.28
2010	42.28
2011	42.28
2012	42.28
2013	42.28
2015	42.28
2016	42.28
2020	42.32
2021	42.32