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  1. Symbols
  2. Data quality indicators
  3. Schedule of SEPH releases
  4. Note of appreciation
  5. Standards of service to the public
  6. Copyright


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
value rounded to 0 (zero) where there is a meaningful distinction between true zero and the value that was rounded
suppressed to meet the confidentiality requirements of the Statistics Act
use with caution
too unreliable to be published
significantly different from reference category (p < 0.05)

Data quality indicators

Data quality indicators are based on the coefficient of variation (CV). Quality indicators indicate the following: A - Excellent (CV between 0% and 4.99%); B - Very good (CV between 5% and 9.99%); C - Good (CV between 10% and 14.99%); D - Acceptable (CV between 15% and 24.99%); E - Use with caution (CV between 25% and 34.99%); F - Too unreliable to publish (CV greater than or equal to 35% or sample size is too small to produce reliable estimates).

Schedule of SEPH releases

Payroll employment, earnings and hours

Reference period
Release date
August 2011
October 27, 2011
September 2011
November 24, 2011
October 2011
December 22, 2011
November 2011
January 26, 2012
December 2011
February 23, 2012
January 2012
March 30, 2012
February 2012
April 26, 2012
March 2012
May 31, 2012
April 2012
June 28, 2012
May 2012
July 26, 2012
June 2012
August 30, 2012
July 2012
September 27, 2012
August 2012
October 25, 2012

Note of appreciation

Canada owes the success of its statistical system to a long-standing partnership between Statistics Canada, the citizens of Canada, its businesses, governments and other institutions. Accurate and timely statistical information could not be produced without their continued cooperation and goodwill.

Standards of service to the public

Statistics Canada is committed to serving its clients in a prompt, reliable and courteous manner. To this end, Statistics Canada has developed standards of service that its employees observe.


Published by authority of the Minister responsible for Statistics Canada

© Minister of Industry, 2012

All rights reserved. Use of this publication is governed by the Statistics Canada Open License Agreement:

July 2012

Catalogue no. 72-002-X, vol. 90, no. 4

ISSN 1496-0583

Frequency: Monthly


Labour Statistics Division