"Year"	"Number of Cases"
"2000"	"7"
"2001"	"1"
"2002"	"4"
"2003"	"1"
"2004"	"3"
"2005"	"1"
"2006"	"1"
"2008"	"1"
"2009"	"3"
"2010"	"1"
"2011"	"1"
"2013"	"2"
"2014"	"2"
"2015"	"1"
"2017"	"2"
"2019"	"1"