Region
Middle East
18
Asia, Eastern
13
Oceania
12
Africa
10
Caribbean Area
10
China
10
South America
10
Southeast Asia
10
Central America
8
Saudi Arabia
8
Vietnam
8
Europe
7
North America
7
Afghanistan
6
Bosnia and Herzegovina
6
India
6
Iraq
6
Kuwait
6
Lebanon
6
Soviet Union
6
Asia
5
Asia, Central
5
Balkan Peninsula
5
Canada
5
Europe, Eastern
5
Lithuania
5
Malaysia
5
Mexico
5
Slovenia
5
Sri Lanka
5
Algeria
4
Arctic regions
4
Bangladesh
4
Bulgaria
4
Croatia
4
Ecuador
4
Egypt
4
Finland
4
Haiti
4
Pakistan
4
Papua New Guinea
4
Tajikistan
4
Africa, Northeast
3
Albania
3
Bhutan
3
Brazil
3
Burma
3
Colombia
3
Ethiopia
3
Former Soviet republics
3
more ...