Polónia:

The index reflects the prices of bread and cereals in Polónia compared to other countries. Higher values mean more expensive bread and cereals. The data come from the 2021 World Bank International Comparison Program that tracks world price levels. The data are updated every four years. The bread and cereals price index for Polónia and other countries is valid for several years as relative prices do not change rapidly over time. As classificações globais para esse indicador estão disponíveis aqui. Você pode comparar tendências ao longo do tempo aqui.