Level of studies completed by the main breadwinner;Variation coefficient;Total Total;variation coefficient;1.08 without studies and illiterates;variation coefficient;4.89 primary education;variation coefficient;2.43 secondary education, first cycle;variation coefficient;3.29 secondary education, second cycle;variation coefficient;3.53 higher non-university studies;variation coefficient;5.97 university studies, first cycle;variation coefficient;5.86 university studies, 2nd and 3rd cycle;variation coefficient;5.88