The latest report, showing the scale of price changes in retail stores, shows that in May this year. highest y / y increases occurred in the province Opolskie - by 18.9%, Łódzkie - 18.4%, and also Wielkopolskie - 18.1%. The smallest increases were in Podkarpackie - 13.8%, Podlaskie - 16.1%, and also Świętokrzyskie - 16.5%.more