[Microeconomics] How do I find cumulative share with the information I have?

[u/Stardash64]

[u/Alkalannar]

Please post pics right way up and not sideways.

Anyhow, cumulative share = [sum of everything at that level or less]

So the first Mexico Cumulative Share = 9. The second one is 9 + 14.2 = 23.2. And so on.