"Year"	"Number of Cases"
"2000"	"1"
"2002"	"1"
"2005"	"1"
"2007"	"2"
"2008"	"1"
"2010"	"1"
"2011"	"2"
"2012"	"1"
"2013"	"2"
"2014"	"1"
"2015"	"1"
"2016"	"1"
"2017"	"1"
"2018"	"1"
"2020"	"1"
"2021"	"1"
"2023"	"2"