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