関東地方の基本情報（人口・法人数・株式会社数・上場企業数）
[{"name":"鉄鋼","value":15,"percentage":44.1,"link":"/industry33s/3450/areas/kanto"},{"name":"非鉄金属","value":19,"percentage":55.9,"link":"/industry33s/3500/areas/kanto"}]
都道府県別構成
[{"name":"栃木県","value":1,"percentage":2.9,"link":"/industry17s/07/prefectures/09"},{"name":"埼玉県","value":2,"percentage":5.9,"link":"/industry17s/07/prefectures/11"},{"name":"千葉県","value":1,"percentage":2.9,"link":"/industry17s/07/prefectures/12"},{"name":"東京都","value":26,"percentage":76.5,"link":"/industry17s/07/prefectures/13"},{"name":"神奈川県","value":4,"percentage":11.8,"link":"/industry17s/07/prefectures/14"}]