Annual Wage Structure Survey 
Sample errors
Variation coefficients for annual gross earnings, by period, NACE-93 section and sex
Units: %

;Both sexes;Female;Male;
ALL SECTIONS;
    2009;0.40;0.52;0.56;
    2008;0.43;0.65;0.62;
B: MINING AND QUARRYING INDUSTRIES;
    2009;2.16;14.10;2.03;
    2008;1.73;9.09;2.07;
C: MANUFACTURING INDUSTRY;
    2009;0.63;1.39;0.70;
    2008;0.62;1.61;0.82;
D: SUPPLY OF ELECTRICAL ENERGY, GAS, STEAM AND AIR CONDITIONING;
    2009;1.44;1.87;1.64;
    2008;1.54;7.20;1.87;
E: WATER SUPPLY, SEWERAGE ACTIVITIES, WASTE MANAGEMENT AND REMEDIATION ACTIVITIES;
    2009;1.12;2.76;1.22;
    2008;1.61;5.33;1.96;
F: CONSTRUCTION;
    2009;1.13;3.76;1.17;
    2008;1.22;4.18;1.24;
G: WHOLESALE AND RETAIL TRADE REPAIR OF MOTOR VEHICLES AND MOTORCYCLES;
    2009;1.69;2.12;2.46;
    2008;1.90;2.66;2.70;
H: TRANSPORT AND STORAGE;
    2009;1.77;3.35;2.05;
    2008;1.89;3.28;2.26;
I: ACCOMMODATION;
    2009;2.18;2.29;3.74;
    2008;1.91;2.52;3.55;
J: INFORMATION AND COMMUNICATIONS;
    2009;1.22;1.39;1.68;
    2008;1.32;2.61;2.05;
K: Financial and insurance activities;
    2009;0.89;1.03;1.29;
    2008;1.07;1.92;2.08;
L: REAL ESTATE ACTIVITIES;
    2009;3.45;3.61;6.15;
    2008;3.65;5.07;6.57;
M: PROFESSIONAL, SCIENTIFIC AND TECHNICAL ACTIVITIES;
    2009;1.66;1.61;2.68;
    2008;1.43;1.72;2.30;
N: ADMINISTRATIVE AND SUPPORT SERVICE ACTIVITIES;
    2009;1.54;1.61;2.46;
    2008;1.91;1.94;3.12;
O: PUBLIC ADMINISTRATION AND DEFENCE COMPULSORY SOCIAL SECURITY ACTIVITIES;
    2009;1.43;1.62;2.28;
    2008;1.39;1.98;2.61;
P: EDUCATION;
    2009;1.89;2.11;3.81;
    2008;2.40;2.64;4.66;
Q: HEALTH AND SOCIAL SERVICES ACTIVITIES;
    2009;0.64;0.69;1.44;
    2008;0.87;1.13;3.01;
R: ARTS, RECREATION AND ENTERTAINMENT ACTIVITIES;
    2009;1.79;2.06;2.66;
    2008;2.22;2.36;3.65;
S: OTHER SERVICES;
    2009;2.11;2.32;3.85;
    2008;2.19;2.23;4.29;
Notes:
When the box is marked with a '-' sign before the data,  this indicates that the number of sample observations is  between 100 and 500, and thus the figure is unreliable and  must be interpreted cautiously.
Source: National Statistics Institute