{
  "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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    [2,2017,2,"Vietnam","Incheon",34],
    [3,2017,3,"Vietnam","Incheon",20],
    [4,2017,4,"Vietnam","Incheon",30],
    [5,2017,5,"Vietnam","Incheon",6],
    [6,2017,6,"Vietnam","Incheon",18],
    [7,2017,7,"Vietnam","Incheon",16],
    [8,2017,8,"Vietnam","Incheon",29],
    [9,2017,9,"Vietnam","Incheon",17],
    [10,2017,10,"Vietnam","Incheon",17],
    [11,2017,11,"Vietnam","Incheon",19],
    [12,2017,12,"Vietnam","Incheon",19]
]}