"Year" "Number of Cases" "2000" "8" "2001" "6" "2002" "6" "2003" "3" "2004" "3" "2005" "3" "2006" "4" "2007" "9" "2008" "4" "2009" "9" "2010" "4" "2011" "6" "2012" "5" "2013" "4" "2014" "2"