\nUp to and including 2022, a short-term projection of the final state of demographic data of the Czech population as of December 31 of the previous year to the middle of the current quarter was used for the weights of the sample.
\nFrom 2023 is used, for all quarters of a given year, the projection of the final state of demographic data as of December 31 of the previous year after deducting the estimate of persons living outside private households or outside the apartments.