Region
United States
13
Great Britain
8
California
6
Developing countries
4
California, Northern
3
Europe
3
Massachusetts
3
Santa Clara Valley (Santa Clara County)
3
Asia
2
China
2
England
2
Japan
2
Santa Clara County
2
Brazil
1
California, Southern
1
Cambridge (Cambridgeshire)
1
Cambridge Region
1
France
1
Italy
1
San Francisco Bay Area
1
Santa Clara County (Calif.)
1