関東地方の基本情報（人口・法人数・株式会社数・上場企業数）
都道府県別構成
[{"name":"栃木県","value":1,"percentage":1.3,"link":"/stock_exchanges/nse/prefectures/09"},{"name":"埼玉県","value":3,"percentage":3.9,"link":"/stock_exchanges/nse/prefectures/11"},{"name":"東京都","value":67,"percentage":88.2,"link":"/stock_exchanges/nse/prefectures/13"},{"name":"神奈川県","value":5,"percentage":6.6,"link":"/stock_exchanges/nse/prefectures/14"}]
上場市場別構成
[{"name":"名証プレミア","value":37,"percentage":48.7,"link":"/areas/kanto/markets/premier"},{"name":"名証メイン","value":25,"percentage":32.9,"link":"/areas/kanto/markets/main"},{"name":"名証ネクスト","value":14,"percentage":18.4,"link":"/areas/kanto/markets/next"}]