{
  "fields": [{"type":"int","id":"_id"},{"type":"numeric","id":"Anno"},{"type":"numeric","id":"Volumetria servita da teleriscaldamento (valore assoluto in m3)"}],
  "records": [
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    [2,2012,20660734],
    [3,2013,22677000],
    [4,2014,24873000],
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    [7,2017,30048000],
    [8,2018,31694062]
]}