Region
- United States 9 results
- China 6 results
- New Zealand 4 results
- Africa 1 results
- Asia 1 results
- Australia 1 results
- Christchurch 1 results
- Economic conditions 1 results
- Europe 1 results
- European Union countries 1 results
- Germany (West) 1 results
- Great Britain 1 results
- India 1 results
- Korea (South) 1 results
- Latin America 1 results
- Papua New Guinea 1 results
- Singapore 1 results
- Social conditions 1 results
- Taiwan 1 results
- Western countries 1 results