"Year" "Number of Cases" "2000" "1" "2003" "1" "2004" "1" "2006" "2" "2007" "1" "2008" "3" "2009" "4" "2010" "7" "2011" "3" "2012" "5" "2013" "3" "2014" "3" "2015" "2" "2016" "3" "2017" "3" "2018" "2" "2019" "6" "2020" "5" "2021" "7" "2022" "6" "2023" "4"