"Year"	"Number of Cases"
"2001"	"1"
"2004"	"2"
"2006"	"1"
"2009"	"1"
"2010"	"1"
"2011"	"5"
"2012"	"3"
"2013"	"3"
"2014"	"2"
"2015"	"1"
"2016"	"3"
"2017"	"3"
"2019"	"2"
"2021"	"1"
"2023"	"2"