東北地方の基本情報（人口・法人数・株式会社数・上場企業数）
上場市場別構成
[{"name":"名証メイン","value":1,"percentage":100.0,"link":"/areas/tohoku/markets/main"}]
都道府県別構成
[{"name":"宮城県","value":1,"percentage":100.0,"link":"/stock_exchanges/nse/prefectures/04"}]
[{"name":"商社・卸売","value":1,"percentage":100.0,"link":"/areas/tohoku/stock_exchanges/nse/industry17s/13"}]