_id	year	month	country_from	city_to	count
1	2012	1	Thailand	Incheon	18
2	2012	2	Thailand	Incheon	6
3	2012	3	Thailand	Incheon	26
4	2012	4	Thailand	Incheon	30
5	2012	5	Thailand	Incheon	20
6	2012	6	Thailand	Incheon	6
7	2012	7	Thailand	Incheon	44
8	2012	8	Thailand	Incheon	1
9	2012	9	Thailand	Incheon	55
10	2012	10	Thailand	Incheon	2
11	2012	11	Thailand	Incheon	1
12	2012	12	Thailand	Incheon	41