"Year" "Number of Cases" "2000" "9" "2001" "11" "2002" "6" "2003" "10" "2004" "20" "2005" "15" "2006" "16" "2007" "21" "2008" "12" "2009" "25" "2010" "16" "2011" "39" "2012" "29" "2013" "32" "2014" "22"