"Year" "Number of Cases" "2006" "1" "2012" "2" "2013" "3" "2014" "1" "2016" "2" "2017" "6" "2018" "3" "2019" "6" "2020" "7" "2021" "3" "2022" "4" "2023" "8" "2024" "6"