Four-yearly Wage Structure Survey 
Sampling errors
CNAE-09 activity sections. National total
Unidades: %
	Both sexes	Females	Males	
        B_S All sections	0,42	0,58	0,68	
        B MINING AND QUARRYNG	2,38	11,29	3,15	
        C Manufacturing	0,61	1,5	0,82	
        D ELECTRICITY, GAS, STEAM AND AIR CONDITIONING SUPPLY	2,84	9,58	3,01	
        E Water supply; sewerage, waste management and remediation activities	0,99	4,23	1,46	
        F Construction	1,42	6,34	1,41	
        G Wholesale and retail trade; repair of motor vehicles and motorcycles	1,8	2,21	2,57	
        H Transportation and storage 	1,9	3,46	2,19	
        I Accommodation and food service activities 	1,67	2,22	3,21	
        J Information and communication	1,59	3,05	2,17	
        K Financial and insurance activities	3,21	2,95	7,28	
        L Real estate activities	3,71	4,66	6,71	
        M PROFESSIONAL, SCIENTIFIC AND TECHNICAL ACTIVITIES	1,75	2,1	2,9	
        N ADMINISTRATIVE AND SUPPORT SERVICE ACTIVITIES	2,09	2,13	3,3	
        O PUBLIC ADMINISTRATION AND DEFENCE; COMPULSORY SOCIAL SECURITY	1,26	2,05	2,41	
        P EDUCATION	1,38	1,7	3,52	
        Q HUMAN HEALTH AND SOCIAL WORK ACTIVITIES	0,68	0,98	2,5	
        R ARTS, ENTERTAINMENT AND RECREATION	3,55	3,19	5,6	
        S OTHER SERVICE ACTIVITIES	1,54	1,91	3,41	
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