"Year" "Number of Cases" "2000" "9" "2001" "5" "2002" "1" "2003" "3" "2004" "2" "2005" "3" "2006" "7" "2007" "4" "2008" "9" "2009" "7" "2010" "9" "2011" "8" "2012" "2" "2013" "4" "2014" "5"