"Year" "Number of Cases" "2000" "6" "2002" "1" "2004" "4" "2005" "1" "2006" "1" "2007" "4" "2008" "6" "2009" "10" "2010" "10" "2011" "3" "2012" "6" "2013" "6" "2014" "3"