"Year" "Number of Cases" "2000" "3" "2001" "5" "2002" "3" "2003" "2" "2006" "2" "2008" "3" "2009" "6" "2010" "1" "2011" "8" "2012" "1" "2013" "2" "2014" "3" "2016" "1" "2019" "2" "2020" "1"