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Principles for Updating Data and Sources of Information
- The data included in the system is taken from the
Internet, offers of real estate agencies, developers,
housing cooperatives and investors, classified ads in the
press and our own calculations based on the Central
Statistical Office data repositories.
- The data refers to quarterly periods, starting from 2 half
year of 2002, and is updated four times a year.
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![[English]](img/uk3.gif)
![[Polski]](img/pl3.gif)
