Implementation of HICP Regulation No. 33/2009 on the treatment of seasonal items in the HICP. See Box 3 in the April 2011 ECB Monthly Bulletin for details.
HICP - Pre-primary, primary, second., etc, and educ. not def. by level
Poland - HICP - Pre-primary, primary, second., etc, and educ. not def. by level, Monthly Index, Eurostat, Neither seasonally nor working day adjusted