"Year" "Number of Cases" "2002" "2" "2005" "1" "2008" "3" "2009" "2" "2010" "1" "2011" "10" "2012" "9" "2013" "9" "2014" "7" "2015" "1" "2016" "1" "2017" "2" "2018" "2" "2019" "6" "2020" "5" "2021" "3" "2022" "7" "2023" "4"