Region
United States
23
Great Britain
9
Developing countries
6
Europe
5
Africa
4
China
4
Asia
3
California
3
European Union countries
3
Santa Clara Valley (Santa Clara County)
2
Santa Clara Valley (Santa Clara County, Calif.)
2
England
1
Europe, Central
1
Europe, Eastern
1
France
1
India
1
Japan
1
Lithuania
1
London
1
New York
1
New York (State)
1
North America
1
North Sea
1
Peru
1
San Francisco Bay Area
1
Southeast Asia
1
United State
1