"Year" "Number of Cases" "2000" "4" "2001" "1" "2002" "3" "2003" "12" "2004" "13" "2005" "6" "2006" "9" "2007" "7" "2008" "11" "2009" "4" "2010" "16" "2011" "9" "2012" "8" "2013" "7" "2014" "4"