{
  "fields": [{"id":"_id","type":"int"},{"id":"year","type":"numeric"},{"id":"month","type":"numeric"},{"id":"country_from","type":"text"},{"id":"city_to","type":"text"},{"id":"count","type":"numeric"}],
  "records": [
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    [2,2019,2,"Vietnam","Incheon",53],
    [3,2019,3,"Vietnam","Incheon",44],
    [4,2019,4,"Vietnam","Incheon",56],
    [5,2019,5,"Vietnam","Incheon",77],
    [6,2019,6,"Vietnam","Incheon",75],
    [7,2019,7,"Vietnam","Incheon",43],
    [8,2019,8,"Vietnam","Incheon",22],
    [9,2019,9,"Vietnam","Incheon",68],
    [10,2019,10,"Vietnam","Incheon",69],
    [11,2019,11,"Vietnam","Incheon",52],
    [12,2019,12,"Vietnam","Incheon",110]
]}