_id	year	month	country_from	city_to	count
1	2021	1	Thailand	Incheon	15
2	2021	2	Thailand	Incheon	6
3	2021	3	Thailand	Incheon	6
4	2021	4	Thailand	Incheon	1
5	2021	5	Thailand	Incheon	1
6	2021	6	Thailand	Incheon	9
7	2021	7	Thailand	Incheon	26
8	2021	8	Thailand	Incheon	9
9	2021	9	Thailand	Incheon	15
10	2021	10	Thailand	Incheon	1
11	2021	11	Thailand	Incheon	16
12	2021	12	Thailand	Incheon	1