id	keyword
cpos-89	migration
cpos-89	regions
cpos-89	net
cpos-89	population
cpos-89	east
cpos-89	germany
cpos-89	counties
cpos-89	urban
cpos-89	core
cpos-89	west
cpos-89	cities
cpos-89	county
cpos-89	data
cpos-89	agglomeration
cpos-89	ows
cpos-89	year