"Year"	"Number of Cases"
"2008"	"1"
"2009"	"1"
"2010"	"1"
"2013"	"1"
"2015"	"6"
"2016"	"2"
"2017"	"5"
"2018"	"1"
"2019"	"1"
"2021"	"2"