Region
United States
38
United States --
36
United states --
13
Europe --
11
China --
9
Soviet Union --
9
Soviet Union
8
East Asia --
7
Europe
7
China
6
Asia, Southeastern --
5
Japan --
5
Southeast Asia --
5
Asia, Southeastern
4
Indonesia --
4
Japan
4
Asia --
3
East Asia
3
India
3
India --
3
ASEAN
2
ASEAN --
2
Africa --
2
Asia
2
Australia --
2
Developing countries
2
Developing countries --
2
Great Britain
2
Great Britain --
2
Indonesia
2
Malaysia --
2
Middle East
2
Middle East --
2
Pacific Area --
2
Russia (Federation) --
2
ASEAN countries --
1
Afghanistan
1
Afghanistan --
1
Africa, Northeast
1
Africa, Northeast --
1
Asia Pacific
1
Australia
1
Britain
1
Britain --
1
Communist countries --
1
Egypt
1
Egypt --
1
Germany --
1
Indo-Pacific Region --
1
Iran
1
more ...