Region
United States
38
Malaysia
26
Great Britain
7
Japan
6
Asia
4
China
3
Malaysia --
3
Singapore
3
United States --
3
Developing countries
2
Africa,Sub-Saharan
1
Australia
1
Developing countries --
1
Europe
1
France
1
Great Britain --
1
Ohio
1
Pasific Area
1
United States, National Aeronautics and Space Administration --
1
United States. Federal Bureau of Investigation --
1