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