"Year" "Number of Cases" "2000" "8" "2001" "3" "2002" "1" "2003" "4" "2004" "2" "2005" "2" "2006" "1" "2007" "4" "2008" "6" "2009" "5" "2010" "6" "2011" "2" "2012" "7" "2013" "5" "2014" "4"