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).
Data cover 21 EEA member countries. Norway, Romania, Malta, Latvia, Liechtenstein, Lithuania, Cyprus, Bulgaria and Estonia are not included due to lack of data. Data have been derived from various, non-harmonised, sources and are only roughly accurate.
In the figure, German data are for 1991 and 2002, and Turkish data are for 1992 and 2002.