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