Region
Great Britain
194
United States
183
England
87
Europe
36
Developing countries
35
Africa
17
Asia
13
Latin America
13
Japan
11
India
10
London
10
Scotland
10
Australia
9
France
9
Sweden
8
Europe, Eastern
7
California
6
Canada
6
China
6
European Union countries
6
Germany
6
Kenya
6
Wales
6
Africa, Sub-Saharan
5
Chicago
5
Illinois
5
Italy
4
London metropolitan area
4
Massachusetts
4
Netherlands
4
Tanzania
4
Case studies
3
European Economic Community countries
3
New Jersey
3
North America
3
Oxfordshire
3
Poland
3
Russia
3
South Africa
3
Africa, East
2
Bangladesh
2
Barbados
2
Bergenfield
2
Boston
2
Brazil
2
Connecticut
2
Czechoslovakia
2
Denver
2
East Asia
2
Germany (East)
2
more ...