Year	%
1994	97.62074
2001	98.46754
2002	97.74893
2003	97.5261
2004	99.55009
2005	98.3935
2006	98.90644
2007	98.81537
2008	98.62933
2009	98.225
2010	98.25287
2011	98.67355
2012	97.85072
2013	98.5401
2014	98.61811
2015	98.6568
2016	98.62601
2017	97.86276