Region
Africa, Central
1
Africa, North
1
Africa, North --
3
Africa, Sub-Saharan
2
Africa, Sub-Saharan --
3
Asia
2
Asia --
1
Asia, Central --
4
Australia --
1
Balkan Peninsula --
1
Canada --
3
Caribbean Area --
1
Central America --
1
Europe --
1
Europe, Eastern --
6
Europe, Western --
2
Former Soviet republics --
1
Latin America --
1
Middle East --
4
New Zealand --
1
Oceania
2
Oceania --
1
Pacific Islands --
1
Russia (Federation) --
4
South America --
1
South Asia --
1
United States --
3
Western Europe --
2