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