Total Housing Units: The total amount of Housing Models is the quantity of occupied units + the number of vacant units. Possession is defined by whether the device is occupied by an operator or by a tenant.???tham gia các s??ki?n t?ng th??ng h?p d?n t??ch??ng trình khuy?n mãi OK9, thành viên s??c?n th?c Hello?n theo các thao tác l?n l??t g?m