Región
United States
10
Europe
6
Great Britain
6
Latin America
3
China
2
Developing countries
2
Egypt
2
France
2
Greece
2
Turkey
2
Arctic regions
1
Asia
1
East Asia
1
European Union countries
1
Germany
1
Iran
1
Japan
1
Libya
1
Mediterranean Region
1
Outer space
1
Pacific Area
1
Romania
1
Rome
1
Russia (Federation)
1
Scotland
1
Southeast Asia
1
Uruguay
1