Demand and supply tables are generally in million barrels per day (mb/d) and rounded to two decimal places. However, Table 1 and certain other tables included in the text of the report are rounded to one decimal place. This is done primarily to avoid giving a false sense of accuracy and having to make a plethora of minor changes, for example in Table 1A. All totals are calculated before rounding, which can lead to numbers expressed to one decimal place appearing not to add up. For example, in the very unlikely event that the second decimal place for demand for each non-OECD region shown in Table 1 were 4, the total non-OECD demand would be 0.3 mb/d higher than the straight addition of the numbers shown to one decimal place, (i.e., 7 x 0.04 = 0.28 or 0.3 when rounded).

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