Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Einwanderungsquote-de#Sense
Cuota de inmigración-es#Sense
Contingente d'immigrazione-it#Sense
Contingent d'immigration-fr#Sense
Einwanderungskontingent-de#Sense
Immigration rate-en#Sense
Tasso d'immigrazione-it#Sense