_id	year	month	country_from	city_to	count
1	2014	1	Vietnam	Incheon	91
2	2014	2	Vietnam	Incheon	109
3	2014	3	Vietnam	Incheon	48
4	2014	4	Vietnam	Incheon	83
5	2014	5	Vietnam	Incheon	73
6	2014	6	Vietnam	Incheon	156
7	2014	7	Vietnam	Incheon	75
8	2014	8	Vietnam	Incheon	142
9	2014	9	Vietnam	Incheon	95
10	2014	10	Vietnam	Incheon	137
11	2014	11	Vietnam	Incheon	96
12	2014	12	Vietnam	Incheon	66