Geographic location
Antarctic
5
Arctic
5
Arctic Ocean
Argentina
2
Austin
3
Blair
2
Bodin
5
Canada
3
Christchurch
2
Degen
2
Denison
1
Genova
1
Hicks
2
Indian
3
Laptev Sea
2
Levin
2
New Zealand
2
Noire
1
Norway
3
Oldenburg
2
Orleans
2
Pacific
3
Porcupine Seabight
2
Roten
1
Sedov
5
Seta
4
Svalbard
2
Svalbard Archipelago
2
Weddell
5
Weddell Sea
5
White Sea
2
Willems
3