NPD: Xone has sold more retail software in USA than PS4( tie ratio 2.75 XO, 2.18 PS4)

[sales2099]

Xenostar said:

PS plus owners have also had 4 free games since launch

Edit:

And before anyone says anything you not what i mean by free. There still games that arent in this tie ratio that players will have played. 

Of those 4...how many are retail? Because that is what this is about.