"Year" "Number of Cases" "2004" "2" "2005" "3" "2006" "1" "2008" "4" "2009" "3" "2010" "3" "2011" "3" "2012" "3" "2014" "7" "2015" "2" "2016" "2" "2017" "3" "2018" "2" "2019" "5" "2022" "2" "2023" "6"