ANALYSING STATISTICS SUBJECT TO CONFIDENTIALITY RESTRICTIONS
9.13 Where data are presented on an annual or year-to-date basis, users should take special care when interpreting the data in case there has been a change in confidentiality restrictions during the time period covered.
9.14 For example, if a 'No country details' restriction is applied to a commodity for the first half of the year, and lifted for the second half of the year, country data for that commodity for the full year will only reflect trade that occurred in the second half of the year. Data for the first half of the year will be included in the item 'Combined confidential items'. Complete data will not be presented for trade in the commodity with any individual country, however these data will be included in the country and commodity at the total level.
9.15 Users should be aware that more highly aggregated statistics may also be affected by confidentiality restrictions. Using the example above, not only will annual country statistics for a specific commodity be incomplete, but statistics for groups of commodities, which include the confidential item, will also be incomplete.
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