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