Region
United States
386
Soviet Union
44
Europe
43
Asia
29
Middle East
28
China
26
Great Britain
20
Russia (Federation)
14
Japan
13
Africa
11
Germany
10
Latin America
10
India
9
Africa South of the Sahara
8
Developing countries
8
U.S. states
8
Russia
7
France
6
Korea
6
South Africa
5
Asia, Southeastern
4
Cuba
4
Europe, Eastern
4
South Asia
4
Italy
3
Outer space
3
Tibet Region
3
Turkey
3
Asia, Eastern
2
Bosnia and Herzegovina
2
Boston (Mass.)
2
Egypt
2
Former Soviet republics
2
Haiti
2
Iran
2
Islamic countries
2
Korea (North)
2
Manchuria (China)
2
Palestine
2
Poland
2
South America
2
Southeast Asia
2
Africa, North
1
Africa, Southern
1
Africa, Sub-Saharan
1
America
1
Athens (Greece)
1
Australia
1
BRIC countries
1
Balikpapan (Indonesia)
1
more ...