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Table |
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Technical note |
The indices of industrial production are classified according to tabulation categories, divisions and combinations of divisions of the International Standard Industrial Classification of All Economic Activities (ISIC), Rev. 3 for mining, manufacturing and electricity, gas and water. The indices indicate trends in value added in constant prices. The measure of value added is the national accounting concept, which is defined as gross output less intermediate consumption. Each series is compiled by using the Laspeyres formula, that is, the indices are base-weighted arithmetic means. The weights used in the calculation of the indices for a particular country are the value added contribution to the gross domestic product (GDP) of the given industry during the base year. The current weight base year is 2000 and value added, generally at factor cost, is used in weighting. Ideally, every five years, the base year is updated and the indices are rebased.
For most countries, the estimates of value added used as weights are derived from the results of national industrial censuses or similar inquiries relating to 2000. These data, in national currency are adjusted to the ISIC where necessary and are subsequently converted into US dollars.
Within each of the ISIC Rev. 3 categories (tabulation categories, divisions and combinations of divisions) shown in the tables, the indices for the country groupings are calculated directly from the country data. The indices for the World, however, are calculated from the aggregated indices for the groupings of developed and developing countries.
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Data source |
United Nations Statistics Division, Index Numbers of Industrial Production and Monthly Bulletin of Statistics questionnaires,
supplemented by international and national publications.
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