Region
- United States 16 Treffer
- India 10 Treffer
- Great Britain 5 Treffer
- Developing countries 3 Treffer
- Australia 2 Treffer
- Hungary 2 Treffer
- Poland 2 Treffer
- China 1 Treffer
- Czech Republic 1 Treffer
- Europe 1 Treffer
- Latin America 1 Treffer
- New South Wales 1 Treffer
- North America 1 Treffer
- Russia (Federation) 1 Treffer
- Slovakia 1 Treffer
- South Asia 1 Treffer