Gotcha I don’t know if we have exactly what you’re looking for, but here are some good resources regarding pritn volumes :
General Print run estimate:
An elaborate attempt at print run estimation. (WIP) 5-8-18
ex era print run discussion:
ex series print sizes?
And honestly just searching print runs in the search bar gives you many more good articles. Though be weary print sizes are an age old question that really can only be speculated on with our current information.
Best of luck with the data 