The map data is for year 2014 from the World Bank. Numbers are in percentage. 558666769839738158677387688479757770946369676790579545100645989806162547494555450798674726982AdriaticSeaArctic OceanBarents SeaBay ofBiscayBlackSeaAzovSeaCaspianSeaCelticSeaGreenland SeaBaffin BayGulf ofCadizLigurianSeaMediterranean SeaNorthAtlanticOceanNorthSeaNorwegianSeaStrait of Gibraltar