rarum 21: word-stress on postinitial syllable (or mora)
less than 3% of languages, including Araucanian and a few Uto-Aztecan languages (though reconstructed for Proto-Uto-Aztecan!)
Hyman, Larry M. (1977). On the nature of linguistic stress. In Hyman (ed.) 1977, 37-82. Munro, Pamela (1977). Towards a reconstruction of Uto-Aztecan stress. In Hyman (ed.) 1977, 303-326. Hyman, Larry M. (ed.) (1977). Studies in Stress and Accent. (Southern California Occasional Papers in Linguistics, 4.). Los Angeles: Department of Linguistics, University of Southern California.