the Argobba (0.81%); all other ethnic groups made up 0.72% of the population. Afan oromo was spoken as a first language by 95.35%, 3.2% Amharic, and 1.12% spoke Somali; the remaining 0.33% spoke all other primary languages reported. The majority of the inhabitants were Muslim, with 85.44% of the population having reported they practiced that belief, while 11.28% professed Ethiopian Orthodox Christianity. According to a May 24, 2004 World Bank memorandum, 9% of the inhabitants of West Hararghe have access to electricity, this zone has a road density of 23.6 kilometers per 1000 square kilometers (compared to the national average of 30 kilometers), the average rural household has 0.5 hectare of land (compared to the national average of 1.01 hectare of land and an average of 1.14 for the Oromia Region) and the equivalent of 0.6 heads of livestock. 16.4% of the population is in non-farm related jobs, compared to the national average of 25% and a regional average of 24%. Concerning education, 55% of all eligible children are enrolled in primary school, and 8% in secondary schools. Concerning health, 92% of the zone is exposed to malaria, and none to Tsetse fly. The memorandum gave this zone a drought risk rating of 372. The Oromia Regional government announced 25 May 2006 that 429 drinkable water projects had been completed in the Zone, which combined with other ongoing projects would bring drinkable water to 72,300 inhabitants and raise the percentage of access from 37% to 47%. Notes Oromia Region Zones of Ethiopia