Year	%
1996	65.88
1997	66.61
1998	66.61
1999	66.61
2000	66.61
2001	66.61
2002	65.85
2003	65.85
2007	65.66
2010	65.66
2011	66.44
2012	66.44
2015	68.47
2016	68.47
2021	69.15