{
  "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": [
    [1,2011,1,"Vietnam","Busan",141],
    [2,2011,2,"Vietnam","Busan",234],
    [3,2011,3,"Vietnam","Busan",244],
    [4,2011,4,"Vietnam","Busan",243],
    [5,2011,5,"Vietnam","Busan",38],
    [6,2011,6,"Vietnam","Busan",22],
    [7,2011,7,"Vietnam","Busan",50],
    [8,2011,8,"Vietnam","Busan",82],
    [9,2011,9,"Vietnam","Busan",133],
    [10,2011,10,"Vietnam","Busan",30],
    [11,2011,11,"Vietnam","Busan",29],
    [12,2011,12,"Vietnam","Busan",43]
]}