The EU statistical arm Eurostat collected figures showing that since 1998, prices in liberalised markets such as the UK Netherlands, Spain and Sweden prices have risen by only 6% as opposed to up to 30% in other markets. ###>Car le défi du marché du gaz, explique le rapporteur Romano Maria La Russa, est « la forte dépendance de l'Union Européenne quant à la sécurité de son approvisionnement ».