 This results in a very high percentage of the Cambodian labour force lacking any formal trades qualifications.The vast majority of university students come from wealthy families living in the cities, whereas the majority of basic-level technicians come from low-income families.Statistically, from 2005 to 2009, primary school enrolment rates for males and females were at 90 and 87 percent respectively while the attendance levels are at 84 and 86 percent of the students heading to school.