I would like to be able to compare data from multiple values of the same page dimension. It is possible in the drop down menu so select multiple values at the same time, however in this case the data points of all the page values will be displayed as one single line. However, I would like every selected page value to be displayed as an individual line, so I can compare the values. Please below an example:

Thank you very much for your answer, this is the solution to my problem!
