http://www.oricon.co.jp/news/rankmusic/43067/
there's no news about A BEST 2 sales on last week.. but Mika didn't get #2. Bounce & Lovers got this position instead. and HOME got 693K copies on the first week...
and you see, the person who got weekly #5 sold around 71K this week, meaning that each A BEST 2 sold less than that..