Zone	Classif.	Category
Metropolitan	1	Capital Cities 
	2	"Other metropolitan centres (urban centre population > 100,000)"
Rural	3	"Large rural centres with population 25,000 - 99,000"
	4	"Small rural centres with population 10,000 - 24,999"
	5	"Other rural areas with population < 10,000"
Remote	6	"Remote centres with population > 5,000"
	7	"Other remote areas with population < 5,000"