I would like to add to my map the symbology, specifically charts/pies. I would like to visualize for each polygon the number of male and female. I want that the pie size varies according to the sum of the field values. I managed to draw charts but unfortunately some polygons have just one person, and so the pies are very small, almost invisible. Can I set the min value of the pie or is it only possible to set the max value? Can you please suggest to me alternatives? Thank you.