Region
United States
United States --
79
Europe
10
Europe --
8
Russia (Federation)
7
Russia (Federation) --
7
Japan
6
Japan --
6
China
5
China --
5
East Asia
4
East Asia --
4
United states --
3
Latin America
2
Soviet Union
2
Soviet Union --
2
Taiwan
2
Taiwan --
2
ASEAN
1
ASEAN --
1
America
1
America --
1
Asia
1
Asia --
1
Canada
1
Central America
1
Central America --
1
Developing countries
1
East Asian
1
Europe, Eastern
1
Europe, Eastern --
1
Great Britain
1
Great Britain --
1
Iran
1
Iran --
1
Iraq --
1
Korea (South)
1
Korea (South) --
1
Latin America --
1
Malaysia
1
Malaysia --
1
Middle East
1
Middle East --
1
Pacific
1
Pacific --
1
Pacific Area
1
Pacific Area --
1
Pakistan --
1
Persian Gulf States
1
Russia
1
more ...