"Year" "Number of Cases" "2006" "1" "2008" "2" "2009" "2" "2010" "2" "2011" "1" "2012" "4" "2015" "1" "2017" "2" "2018" "1" "2019" "2" "2020" "1" "2021" "2" "2022" "2" "2023" "1" "2024" "1"