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Field                        | Description
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HEXuid_HEXidu                | Unique identifier for the hexagon
SumPop_2016_SommePop         | Estimated population within the hexagon in summing PHH related data
SumURD_2016_SommeRH          | Estimated private dwellings occupied by usual residents within the
                             |   hexagon in summing related PHH data
SumTD_2016_SommeTL           | Estimated total private dwellings within the hexagon in summing
                             |   related PHH data
Avail_5_1_75PctPlus_Dispo    | Where more than 75% of total private dwellings within the hexagon
                             |   have access to broadband services offering 5/1 Mbps or greater
Avail_50_10_Gradient_Dispo   | Percentage range assigned using Avail_50_10_Pct_Dispo in order to
                             |   assign mappable grades.