{
  "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": [
    [1,2013,1,"Vietnam","Busan",23],
    [2,2013,2,"Vietnam","Busan",9],
    [3,2013,3,"Vietnam","Busan",13],
    [4,2013,4,"Vietnam","Busan",37],
    [5,2013,5,"Vietnam","Busan",215],
    [6,2013,6,"Vietnam","Busan",162],
    [7,2013,7,"Vietnam","Busan",355],
    [8,2013,8,"Vietnam","Busan",45],
    [9,2013,9,"Vietnam","Busan",298],
    [10,2013,10,"Vietnam","Busan",21],
    [11,2013,11,"Vietnam","Busan",9],
    [12,2013,12,"Vietnam","Busan",27]
]}