Year	%
1998	95.81037
2001	97.61111
2002	97.01086
2003	96.38437
2004	92.64329
2005	97.55757
2006	96.86416
2007	98.13635
2008	97.8041
2014	97.00549
2015	96.63713
2016	96.97016