Four-yearly Wage Structure Survey 
Sampling errors
Variation coefficients for annual gross earnings, by period,   NACE-93 section and sex.
Units: %

;Both sexes;Males;Females;
TOTAL;
    2006;0.45;0.60;0.58;
    2005;0.42;0.44;0.97;
    2004;0.59;0.74;0.86;
C. EXTRACTIVE INDUSTRIES;
    2006;1.18;1.26;8.06;
    2005;0.89;0.90;-3.18;
    2004;2.64;2.62;-7.17;
D. MANUFACTURING INDUSTRY;
    2006;0.39;0.50;0.90;
    2005;0.45;0.47;0.91;
    2004;0.99;0.92;1.48;
E. PRODUCTION AND DISTRIBUTION OF ELECTRICAL ENERGY, GAS AND WATER SUPPLY;
    2006;1.11;1.37;2.28;
    2005;0.65;0.70;1.39;
    2004;1.86;1.99;2.46;
F. CONSTRUCTION;
    2006;1.75;1.87;2.93;
    2005;1.02;1.03;3.26;
    2004;1.85;1.78;4.26;
G. TRADE, REPAIR OF MOTOR VEHICLES, MOTORCYCLES AND MOPEDS AND PERSONAL AND DOMESTIC ARTICLES;
    2006;1.27;1.82;1.82;
    2005;1.53;1.55;2.43;
    2004;2.51;2.86;2.74;
H. ACCOMMODATION;
    2006;1.38;1.99;2.09;
    2005;3.27;2.95;3.64;
    2004;2.53;3.39;3.79;
I. TRANSPORT, STORAGE AND COMMUNICATIONS;
    2006;3.02;2.78;4.89;
    2005;1.06;1.27;1.02;
    2004;2.39;1.93;2.15;
J. FINANCIAL INTERMEDIATION;
    2006;1.03;1.60;1.41;
    2005;0.69;0.85;0.61;
    2004;0.83;0.75;1.05;
K. REAL ESTATE AND RENTAL ACTIVITIES BUSINESS SERVICES;
    2006;1.44;2.12;1.59;
    2005;2.09;1.69;3.98;
    2004;2.56;2.85;2.49;
M. EDUCATION;
    2006;1.12;1.89;1.50;
    2005;1.04;1.12;1.72;
    2004;3.52;4.97;2.42;
N. Health and veterinary activities, social services;
    2006;0.84;2.04;0.80;
    2005;0.75;0.32;0.80;
    2004;1.00;1.15;0.90;
O. Other social activities and services provided to the community personal services;
    2006;1.63;2.43;1.89;
    2005;2.26;2.28;1.77;
    2004;1.76;1.80;1.90;
Notes:
When the box is marked with a '-' sign before the data,  who The Number of observations  between 100 and 500, and thus the figure is unreliable and  must be interpreted cautiously.
Source: INE: information of the year 2006 Therefore of the survey of Structure Survey 2006.