Publication of Data
Economic and financial data from member countries are used to compile annual (and sometimes quarterly) data on gross product, investment, capital transactions, government expenditure and foreign trade. The results are published in a UN Yearbook, National Accounts Statistics: Main Aggregates and Detailed Tables, which currently (and until the 2008 revision comes into force) follows the 1993 recommendations. The values provided are in the national currency.
Additionally, national statistical offices may also publish SNA-type data series. More detailed data at a lower level of aggregation is often available on request. Because national accounts data is notoriously prone to revision (because it involves a very large number of different data sources, entries and estimation procedures impacting on the totals), there are often discrepancies between the totals cited for the same accounting period in different publications issued in different years. The "first final figures" may in fact be retrospectively revised several times because of new sources, methods or conceptual changes. The yearly revisions may be quantitatively slight, but cumulatively across e.g. ten years they may alter a trend significantly. This is something the researcher should bear in mind in seeking to obtain a consistent data set.
Read more about this topic: United Nations System Of National Accounts
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