Year % 1995 64.34159 1997 59.9393 2001 66.51852 2002 62.13292 2003 95.99121 2004 95.99121 2005 97.38232 2006 95.75912 2007 47.42064 2008 47.42064 2009 47.42064 2010 47.42064 2011 56.4781 2012 58.3196 2013 43.06123 2015 44.42231 2016 44.42231 2017 44.42231