{
  "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": [
    [1,2007,1,"Vietnam","Busan",11],
    [2,2007,2,"Vietnam","Busan",31],
    [3,2007,3,"Vietnam","Busan",6],
    [4,2007,4,"Vietnam","Busan",32],
    [5,2007,5,"Vietnam","Busan",38],
    [6,2007,6,"Vietnam","Busan",1],
    [7,2007,7,"Vietnam","Busan",22],
    [8,2007,8,"Vietnam","Busan",54],
    [9,2007,9,"Vietnam","Busan",12],
    [10,2007,10,"Vietnam","Busan",51],
    [11,2007,11,"Vietnam","Busan",32],
    [12,2007,12,"Vietnam","Busan",32]
]}