The test data is 2D data:

Test data

To convert two-dimensional table to one-dimensional table in JavaScript:

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data_1D = [];

data_2D.filter(function(d) {
  return d.code && d.code!='SOF46';  //skip the row "SOF46"
}).forEach(function(d) {
  d.sum = 0;
  for(var p in d)
    if (p && p!="code" && p!="sum") {
      dataP.push({'code':d.code,'type':p,'value':+d[p]});
      d.sum+=+d[p];
    }
});

Reference: dc.leaflet.js