EEA standard re-use policy: unless otherwise indicated, re-use of content on the EEA website for commercial or non-commercial purposes is permitted free of charge, provided that the source is acknowledged (http://www.eea.europa.eu/legal/copyright). Copyright holder: European Environment Agency (EEA).
PL (national) refers to national bus services. HU (average) is an average of the maximum and minimum values supplied. The data for PL for 2005 has not been shown due to it being substantially different from other years.