"Year" "Number of Cases" "2000" "8" "2001" "4" "2002" "2" "2004" "3" "2005" "1" "2006" "1" "2008" "6" "2009" "5" "2010" "5" "2011" "4" "2012" "4" "2013" "5" "2014" "2"