Country groupings used in this report:

EU: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Ireland, Italy, Luxembourg, the Netherlands, Portugal, Spain, Sweden and the UK

EEA: EU + Iceland, Liechtenstein and Norway

Nordic countries: Finland, Iceland, Norway and Sweden

Central Europe: Austria, Belgium, Denmark, Germany, Ireland, Liechtenstein, Luxembourg, the Netherlands and the UK

Southern Europe: France, Greece, Italy, Portugal and Spain