Sampling errors 07010.px Units: % variation coefficient Total 1.08 without studies and illiterates 4.89 primary education 2.43 secondary education, first cycle 3.29 secondary education, second cycle 3.53 higher non-university studies 5.97 university studies, first cycle 5.86 university studies, 2nd and 3rd cycle 5.88 Notes: Source: National Statistics Institute