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