Region
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Netherlands
1
Niger River Delta
1
Nigeria
3
North America
1
North Pacific Ocean
1
Northeastern States
1
Pacific Area
2
Pakistan
5
Pays de l'Union européenne
1
Pays-Bas
1
Poland
1
Québec
2
Québec (Province)
2
Republic of Korea
1
Romania
3
Russia (Federation)
1
Russie
1
Saudi Arabia
1
Scandinavia
2
Sourth Africa
1
South Africa
1
Soviet Union
1
Spain
2
Taiwan
1
Thailand
1
Torres Strait Islands (Qld TSI SC54, SC55-05)
1
Turkey
1
URSS
1
USA
2
United Arab Emirates
2
United States
25
Wales
1
Wielka Brytania
1