Monthly

Data collection is by post and via the internet over a period that extends from the end of the month preceding the survey month to the survey publication date, i.e. 4 business days before the end of the current month.

Survey results are sent to the European Commission 4 business days before the end of the month.

The collection period runs from the end of the month preceding the reference month of the survey to the date of publication of the results (between the 20th and 25th of the reference month).

Survey of a sample of 4,300 industrial enterprises with 20 employees or more.

All enterprises with at least 500 employees of turnover of €150 million are surveyed.

4,300 units

The survey is conducted every month but not all questions are asked every month. The survey questionnaires consists of a common core of monthly questions to which are added, depending on the month, some quarterly, biannual or annual questions.