Thang 4	Thang 5	Thang 6	Tong
CN Ha Noi	1,240	1,580	1,320	4,140
CN Da Nang	820	910	1,050	2,780
CN HCM	1,890	2,010	1,760	5,660
Tong	3,950	4,500	4,130	12,580