Household Budget Survey (HBS) 
Variation coefficient (VC) of total expenditure according to different classification variables 
VC of total expenditure by occupation CNO-11 (as of 2012), (large groups) of the main breadwinner. 
Unidades: %
,Variation coefficient,,,,
,2015,2014,2013,2012,
        Total,1,2,1,2,1,2,1,2,
        1 Directors and managers,5,5,5,7,5,6,5,5,
        2 Scientific and intellectual technicians and professionals ,3,2,3,2,3,3,3,4,
        3 Technicians; support professionals,3,8,3,6,3,6,3,5,
        4 Accounting, administrative and other office employees,4,2,4,1,4,2,4,5,
        5 Workers in catering, personal, and protection services and salespersons,2,8,2,7,2,9,2,9,
        6 Skilled agricultural, livestock, forestry and fishing sector workers,7,7,8,5,7,4,7,5,
        7 Craftspersons and skilled workers in manufacturing and construction (except installation and machinery operators ,3,1,3,3,1,3,
        8 Installation and machinery operators and assemblers,3,9,3,8,3,8,3,8,
        9 Basic occupations,3,9,3,9,4,1,4,2,
        Other case,14,7,15,3,12,9,14,3,
Notas:
Due to a lack of representativeness, estimates cannot be provided for the cells without data (to points)
"Large Group 0 (Armed Forces) categories and "No data recorded" are included in "Another case"
The new National Classification of Occupations (NCO-2011) has been included as of 2012, and therefore, there will be categories that are not comparable with previous years, in which the classification used was NCO-94.
Households with the main breadwinner employed.
Fuente: