Four-yearly Wage Structure Survey 
Sample errors
Variation coefficients for the gross annual earnings by NCEA-93 sections and subsections
Units: %

All activities;0.45;
CA. Extraction of Energy products;2.06;
CB. Extraction of other ores except energy products;1.44;
DA. Food, beverage and tobacco industry;1.31;
DB. Textile and clothing industry;1.55;
DC. Leather and footwear industry;2.18;
DD. Wood and cork industry;1.23;
DE. Paper industry Publishing, graphic arts and reproduction of prints;1.84;
DF. Refinement of petroleum and treatment of nuclear fuels;2.02;
DG. Chemical industry;1.69;
DH. Rubber and plastic materials transformation industry;1.07;
DI. Other non-metallic ore product industries;1.17;
DJ. Metallurgy and manufacture of metallic products;0.86;
DK. Construction of machinery and mechanical equipment industry;1.20;
DL. Electrical, electronic and optical material and equipment industry;1.16;
DM. Manufacture of transport material;1.01;
DN. Various manufacturing industries;1.18;
E. Production and distribution of electrical energy, gas and water supply;1.11;
F. Construction;1.75;
G. Commerce and repairs;1.27;
H. Accommodation;1.38;
I. Transport, storage and communications;3.02;
J. Financial intermediation;1.03;
K. Real estate and rental activities business services;1.44;
M. Education;1.12;
N. Health and veterinary activities, corporate services;0.84;
O. Other community, social and personal service activities   personal services;1.63;
Notes:
Source: National Statistics Institute