"Year" "Number of Cases" "2000" "23" "2001" "10" "2002" "7" "2003" "6" "2004" "2" "2005" "2" "2006" "5" "2007" "7" "2008" "6" "2009" "9" "2010" "26" "2011" "15" "2012" "38" "2013" "53" "2014" "13"