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  • Type of survey: continuous on a monthly basis
  • Base period: 2016
  • Reference period of weightings: year prior to the current year
  • Sample of municipalities: 177
  • Number of items: 479
  • Number of observations: approximately 220,000 prices per month
  • Functional classification: 12 groups, 43 subgroups, 101 classes and 219 subclasses; 57 headings and 29 special groups
  • General method of calculation: chained Laspeyres
  • Collection method: interviewers in establishments and centralised collection for special items

Methodological documents

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