_id	year	month	country_from	city_to	count
1	2020	1	Thailand	Incheon	1
2	2020	2	Thailand	Incheon	1
3	2020	3	Thailand	Incheon	1
4	2020	4	Thailand	Incheon	1
5	2020	5	Thailand	Incheon	1
6	2020	6	Thailand	Incheon	1
7	2020	7	Thailand	Incheon	21
8	2020	8	Thailand	Incheon	42
9	2020	9	Thailand	Incheon	18
10	2020	10	Thailand	Incheon	11
11	2020	11	Thailand	Incheon	14
12	2020	12	Thailand	Incheon	40