The center of Hispanic Linguistics of UNAM carried out a number of surveys in the project of coordinated study of the cultured linguistic norms of major cities of Ibero-America and of the Iberian Peninsula. The total number of anglicisms was about 4% among Mexican speakers of urban norms. However, this figure includes anglicisms that permeated general Spanish long ago and which are not particular to Mexico, such as buffete, "náilon" "nylon", "dólar" "dollar", hockey, "rimel", "ron" "rum", "vagón" "railroad car", "búfer" "buffer", and others.