Year	%
1996	73.92
1999	74.36
2000	74.36
2001	74.36
2002	74.36
2003	74.36
2004	74.2
2006	74.2
2007	73.86
2010	73.86
2011	73.86
2012	73.86
2013	73.86
2015	73.54
2016	73.54
2020	73.93
2021	73.93