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20.68. In particular, a combined presentation of the data should be considered, as long as users are informed of the methodological differences behind the figures, and the data are made as comparable as possible beforehand. For further discussion of the methodological differences between trade in services and merchandise trade (e.g., in terms of coverage, timing, valuation and classification) and for adjustments needed to make the data comparable, see annex D.[2]
Include page: Country experience: Germany (Chapter 20)
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[1] Guidelines on Integrated Economic Statistics, para. 5.115.
[2] Annex D will be made available on the United Nations website.