In all areas of life the prohibition is not the solution, human beings have incorporated that the word NO means to do it, say no to a child and you will see how it does the opposite.
The solution is evident Education. Well-used education will always be better than prohibition. There is a slogan that says Hard with the system, soft with people.
thank you very much dear friend @doitvoluntarily for sharing all these indices of prices and consumptions.
I wish you a great day