BKK2 on 15 January 2008
Media Create seem to say their coverage is only 57%.
"2 cover features a high data rate and rich source of information
Retail POS data is based on. Data provided by the cover rate is about 57 percent, to cover a variety of business. In addition, prior reservation status, shipping status and digestive conditions, such as nearby secondhand trends data, qualitative information by listening to the stores and used as a complementary materials."
But maybe a Japanese speaker (y-koron?) can confirm?
"データの特徴2 高いカバー率と豊富な情報源
データは小売店のPOSをベースにしております。データ提供元のカバー率は、およそ57％、多様な業態をカバーしております。さらに、事前の予約状況、出荷状況や消化状況、中古動向といった周辺データ、店舗へのヒアリングによる定性情報等を補完資料として用いています。"
Media Create Business Data
