_id	year	month	country_from	city_to	count
1	2008	1	Vietnam	Incheon	116
2	2008	2	Vietnam	Incheon	119
3	2008	3	Vietnam	Incheon	104
4	2008	4	Vietnam	Incheon	63
5	2008	5	Vietnam	Incheon	132
6	2008	6	Vietnam	Incheon	40
7	2008	7	Vietnam	Incheon	55
8	2008	8	Vietnam	Incheon	122
9	2008	9	Vietnam	Incheon	97
10	2008	10	Vietnam	Incheon	85
11	2008	11	Vietnam	Incheon	83
12	2008	12	Vietnam	Incheon	182