Do the stats revealed here really reflect the current retail? Or does it just take a stat trend (for example X sold in Y minutes/seconds)and apply a linear equa

Do the stats revealed here really reflect the current retail? Or does it just take a stat trend (for example X sold in Y minutes/seconds)and apply a linear equation[1] to "predict" how much consumers would buy? [1] Something like this? f(t) = m*t + c