Household Budget Survey (HBS) Households with availability of domestic service, according to various household characteristics Percentage of households with domestic service, according to the educational level of the main breadwinner Units: percentage Total Uneducated or with 1st grade studies Secondary education, first cycle Secondary education, second cycle Higher non-university studies University studies, first cycle University , 2nd and 3rd cycle No data recorded Yes, the household has hired domestic service 14.39 10.69 7.63 11.38 12.19 28.25 37.21 . No, the household does not have hired domestic service 85.61 89.31 92.37 88.62 87.81 71.75 62.79 . Notes: .Data protected by statistical secrecy 1) Due to a lack of representation, estimates cannot be provided for the cells without data (..). 2) Illiterate persons are included in the 'Uneducated or with 1st grade studies' category Source: National Statistics Institute