Only the current version so far — new entries appear as the app ships updates.
通信量チェッカー is a tools app by ayano with 100,000+ downloads (about 192K estimated). +57 installs in the last 7 days. Released Jul 16, 2016. Install growth, rank history, SDKs and ad networks.
From the store listing: “スマホの速度制限が気になる方に!ステータスバーからもいつでも通信量を確認できます。アプリごとの通信量もランキングで表示。”