nhà b?ng th??h??ng: k?t liên nhà b?ng th??ng nghi?p t??ng x?ng h??th?ng mà b?n ?ang s??d?ng.Median Age is the normal age of your population. 50 percent on the inhabitants is more mature and the other fifty percent is more youthful. Gender is self-documented by persons when requested with regards to their sex at delivery.H??ng d?n ??ng ký H??ng