Collection of datasets for European countries: Albania, Armenia, Austria, Azerbaijan, Belgium, Belarus, Bosnia and Herzegovina, Bulgaria, Cyprus, Czechia, Denmark, Estonia, Finland, France, United Kingdom, Georgia, Germany, Greece, Croatia, Hungary, Iceland, Ireland, Italy, Liechtenstein, Lithuania, Luxembourg, Latvia, The former Yugoslav Republic of Macedonia, Monaco, Rep. of Moldova, Montenegro, Malta, Netherlands, Norway, Poland, Portugal, Romania, Russian Federation, Spain, Serbia and Kosovo, Slovakia, Slovenia, Sweden, Switzerland, Turkey, Ukraine.