https://www.ft.com/content/b638551a-68c3-11e7-8526-7b38dcaef614
https://www.esri.ie/system/files/publications/SUSTAT117.pdf
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/397079/Scotland_EnduringSettlement_acc.pdf
http://www.epc.eu/documents/uploads/pub_7865_realitybites.pdf