Year	%
1996	58.67
1997	58.7
1998	58.7
1999	58.7
2000	58.7
2001	58.7
2002	58.7
2003	58.7
2006	58.73
2007	58.73
2010	58.73
2011	58.73
2012	58.73
2013	58.73
2015	58.73
2016	58.73
2017	58.73
2020	59.77