id	keyword
cpos-457	east
cpos-457	west
cpos-457	migration
cpos-457	germany
cpos-457	east germany
cpos-457	west migration
cpos-457	west germany
cpos-457	und
cpos-457	years
cpos-457	data
cpos-457	der
cpos-457	return
cpos-457	economic
cpos-457	migrants
cpos-457	berlin
cpos-457	research
cpos-457	schündeln
cpos-457	fuchs
cpos-457	reunifi
cpos-457	cation
cpos-457	population
cpos-457	women
cpos-457	für
cpos-457	regional