In this recent post from Oscar Delaney they got the following result (sadly doesn’t go up to 10%, and in the linked spreadsheet the numbers seem hardcoded)
Top three are Hellen Keller International (0.122), Sightsavers (0.095), AMF (0.062)
In this recent post from Oscar Delaney they got the following result (sadly doesn’t go up to 10%, and in the linked spreadsheet the numbers seem hardcoded)
Top three are Hellen Keller International (0.122), Sightsavers (0.095), AMF (0.062)