Well it depends on supply, but in 2014 at the end of June XBO was around 1.7m for the year, but for the full year it did over 4x that, a similar multiplier on the XBS would put it around 10.5-11m for the year.
Not really doable. And no real booster besides Battlefield
"Quagmire, are you the type of guy who takes 'no' for an answer ?"
"My lawyer doesn't allow me to answer that question"
PSN ID: skmblake | Feel free to add me