Industry image
  • Type of survey: continuous on an annual basis
  • Population scope: industrial establishments belonging to companies with 20 or more employees. In those sectors where the production of these establishments is not representative of the total, it also includes establishments of companies with less than 20 employees.
  • Geographical scope: the entire national territory except Ceuta and Melilla
  • Reference period of the results: the calendar year.
  • Reference period of the information: the calendar year. Establishments operating on a seasonal basis, covering two different years, may refer their data to the season ending in the survey reference year.
  • Sample size: 55,000 establishments, approximately.
  • Type of sampling: Cut-off sampling.
  • Collection method: Completion of the questionnaire by the respondent using one of the following means: internet (IRIA system), e-mail, fax, telephone or postal mail.

Methodology documents, questionnaires, classifications...

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