Here I Google translated Myriams French estimations to English. https://docs.google.com/spreadsheets/d/1QkvOWv3ZHpY6JX6GL63ze3iq3CFCTSjCc8SAmm27Vxs/edit?usp=drive_web
It may be starting point to others as well. (If there would be interest we could “universilise” it or add columns for different countries estimations.)