 In 2011 as well, the average staff per 1,000 connections in a sample of 120 utilities was 5.3 according to IMTA, and 4.9 according to a different sample analyzed by Conagua.The Mexican average tariff per m3 (US$0.32) is about half of the average in Latin America and the Caribbean (US$0.65).However, since tariffs are fixed at the municipal level depending on different legal frameworks, they differ substantially.