Region
United States
11
United States --
8
United states --
3
Asia
2
Asia --
2
Great Britain
2
Afghanistan
1
Afghanistan --
1
Asia, Southeastern
1
Australia --
1
Developing countries
1
Developing countries --
1
Great Britain --
1
Indonesia
1
Indonesia --
1
Pacific area --
1
Saudi Arabia
1
Saudi Arabia --
1
Southeast Asia
1