Year Percent 1976 96.37165 1977 98.09274 1978 89.87952 1979 92.00337 1983 95.22028 1984 85.77303 1985 83.44969 1999 92.94456 2002 91.3813 2003 100.28158 2005 102.33789 2007 97.55083 2008 110.48654 2009 121.1288 2010 111.53277 2016 61.59091