"Year" "Number of Cases" "2000" "18" "2001" "13" "2002" "5" "2003" "7" "2004" "10" "2005" "8" "2006" "12" "2007" "10" "2008" "12" "2009" "14" "2010" "15" "2011" "23" "2012" "26" "2013" "31" "2014" "21"