A more recent publication of this set of statistics is available.
Latest publication: Prices of dwellings in housing companies 2015, December
Appendix figure 1. Average prices per square meter of dwellings in old blocks of flats
Source: Prices of Dwellings, Statistics Finland
Inquiries: Petri Kettunen (09) 1734 3558, Tomi Martikainen (09) 1734 3632, email@example.com
Director in charge: Kari Molnar
Official Statistics of Finland (OSF):
Prices of dwellings in housing companies [e-publication].
ISSN=2323-8801. September 2011, Appendix figure 1. Average prices per square meter of dwellings in old blocks of flats . Helsinki: Statistics Finland [referred: 6.2.2016].
Access method: http://www.stat.fi/til/ashi/2011/09/ashi_2011_09_2011-10-28_kuv_001_en.html