"Year" "Number of Cases" "2000" "17" "2001" "12" "2002" "1" "2003" "4" "2004" "4" "2005" "8" "2006" "4" "2007" "1" "2008" "3" "2009" "11" "2010" "18" "2011" "20" "2012" "2" "2013" "8" "2014" "3"