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Subject (Region)
- Developing countries[remove]660
- United States40
- Africa7
- India6
- Asia5
- Europe5
- Europe, Eastern5
- Latin America5
- California4
- China4
- Developed countries4
- Santa Clara Valley (Santa Clara County)4
- Western countries4
- BRIC countries3
- European Union countries3
- Seattle3
- South Africa3
- Southern Hemisphere3
- Washington (State)3
- Africa, Sub-Saharan2