Region
United States --
13
United States
8
Europe --
6
Australia --
3
China --
3
Europe
3
Asia, Southeastern --
2
Australia
2
Government policy
2
Great Britain
2
Asia, Southeastern
1
California
1
California --
1
Canada
1
Canada --
1
Caribbean Area --
1
Central America --
1
China
1
Developing countries --
1
European Union Countries
1
European union countries
1
European union countries --
1
Foreign countries
1
Great Britain --
1
Haiti
1
Haiti --
1
Malaya
1
Malaya --
1
Mexico --
1
New Zealand --
1
Sabah
1
Sabah --
1
Singapore
1
Singapore --
1
South Africa
1