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