{
  "fields": [{"id":"_id","type":"int"},{"id":"PERC_2006","type":"numeric"},{"id":"PERC_2005","type":"numeric"},{"id":"PERC_2007","type":"numeric"},{"id":"NUM_ADDETTI","type":"text"},{"id":"complex_op","type":"text"}],
  "records": [
    [1,45.8,45.1,44.5,"da 0 a 9","null"],
    [2,34.8,34.8,34.9,"da 10 a 99","null"],
    [3,19.4,20.1,20.7,"100 e oltre","null"]
]}