The map data is for year 2020 from the World Bank. Numbers are in percentage. 1.430.81.824.83.73.82.82.55.72.63.32.64.83.1012.65.25.31.43.61.212.93.54.44.2611.44.63.52.32.72.32.27.58.84.2AdriaticSeaArctic OceanBarents SeaBay ofBiscayBlackSeaAzovSeaCaspianSeaCelticSeaGreenland SeaBaffin BayGulf ofCadizLigurianSeaMediterranean SeaNorthAtlanticOceanNorthSeaNorwegianSeaStrait of Gibraltar