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Symbols

The following standard symbols are used in Statistics Canada publications:

not available for any reference period

not available for a specific reference period

...

not applicable

true zero or a value rounded to zero

0^s

value rounded to 0 (zero) where there is a meaningful distinction between true zero and the value that was rounded

preliminary

revised

suppressed to meet the confidentiality requirements of the Statistics Act

use with caution

too unreliable to be published

Other symbols

0 ^…

the estimate is calculated from a sample where all the responses are equal to zero, such that the coefficient of variation cannot be calculated

^A Excellent data quality

coefficient of variation is 0.01% to 4.99%

^B Very good data quality

coefficient of variation is 5.00% to 9.99%

^C Good data quality

coefficient of variation is 10.00% to 14.99%

^D Acceptable data quality

coefficient of variation is 15.00% to 24.99%

^E Use with caution

coefficient of variation is 25.00% to 49.99%

F Too unreliable to be published

coefficient of variation is >49.99% (data are suppressed)

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Copyright

Published by authority of the Minister responsible for Statistics Canada

All rights reserved. The content of this electronic publication may be reproduced, in whole or in part, and by any means, without further permission from Statistics Canada, subject to the following conditions: that it be done solely for the purposes of private study, research, criticism, review or newspaper summary, and/or for non-commercial purposes; and that Statistics Canada be fully acknowledged as follows: Source (or "Adapted from", if appropriate): Statistics Canada, year of publication, name of product, catalogue number, volume and issue numbers, reference period and page(s). Otherwise, no part of this publication may be reproduced, stored in a retrieval system or transmitted in any form, by any means—electronic, mechanical or photocopy—or for any purposes without prior written permission of Licensing Services, Client Services Division, Statistics Canada, Ottawa, Ontario, Canada K1A 0T6.

December 2009

Catalogue no. 16-403-X

ISSN 1920-6283

Frequency: Biennial

Ottawa

Research and development section – Environment Accounts and Statistics Division