"Year" "Number of Cases" "2004" "1" "2006" "1" "2007" "1" "2009" "1" "2011" "1" "2012" "4" "2014" "2" "2015" "1" "2016" "1" "2017" "1" "2018" "3" "2019" "3" "2020" "4" "2021" "7" "2022" "2" "2023" "9" "2024" "3"