_id	year	month	country_from	city_to	count
1	2009	1	Vietnam	Incheon	103
2	2009	2	Vietnam	Incheon	117
3	2009	3	Vietnam	Incheon	108
4	2009	4	Vietnam	Incheon	116
5	2009	5	Vietnam	Incheon	85
6	2009	6	Vietnam	Incheon	110
7	2009	7	Vietnam	Incheon	91
8	2009	8	Vietnam	Incheon	10
9	2009	9	Vietnam	Incheon	45
10	2009	10	Vietnam	Incheon	94
11	2009	11	Vietnam	Incheon	63
12	2009	12	Vietnam	Incheon	96