9.1 The following symbols are used throughout the tables in this bulletin:
.. missing / not available
empty cells not applicable
9.2 Percentage figures given in tables and charts may not always sum to the exact totals due to rounding. Any percentages in the tables which are less than 0.5% are represented by the symbol *.
9.3 The data presented in this publication is drawn from administrative IT systems. Although care is taken when processing and analysing the data, it is subject to the inaccuracies inherent in any large scale recording system. While the figures shown have been checked as far as practicable, they should be regarded as approximate and not necessarily accurate to the last whole number in the tables. They are also updated and quality assured on an on-going basis, and the figures shown here may therefore differ slightly from those published previously. Where substantive revisions have been made to improve the quality of the data, these are indicated in the footnotes.
9.4 Numbers are given precisely in the tables but are rounded for presentational purposes in the text. The numbers in the text are generally rounded as follows:
- 1,000 to less than 100,000 – rounded to the nearest 100
- 100 to less than 1,000 – rounded to the nearest 10
- Less than 100 – unrounded
Also in the text, percentages are calculated based on the unrounded numbers and are then rounded to the nearest whole number.
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