The 25 per cent of these expenses shall be distributed among all the villages of the community, in proportion to the number of inhabitants of each one […] and, to cover the remaining 75 per cent, the co-users shall pay annually within the month of October one real per head of cow and ten cents of real per each wool-producing animal they had brought into the mountains, with independence of the amount of time they had remained in them, and another ten cents of real per each 'robada' [measure unit?] they cultivate in the fields, either stubble, fallow or sown land.