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Release Date:
22 November, 2022
The Statistics presented in the yearbook are, as possible in accordance with international recommendations and definitions. Where important deviations are known to exist, they are indicated in footnotes at the end of each country’s table. Owing to the rounding of figures, the totals shown in tables do not always correspond exactly to the sum of their component items. The sources of the data reported in this publication, consist of filled questionnaires from national data focal persons, national publications, national websites, national databases. International sources have been used to supplement missing data as well as for those variables solely produced by none national sources. Owing to variations in definition for some indicators, data presented in summary pages may be cited from international sources when comparing the data across countries.