Region
China
6
China --
6
East Asia
4
East Asia --
4
Malaysia --
4
Malaysia
3
India
2
India --
2
Japan
2
Japan --
2
Russia (Federation) --
2
Soviet Union --
2
Vietnam
2
Vietnam --
2
Asia
1
Asia --
1
Caribbean Area
1
Caribbean Area --
1
Europe, Eastern
1
Europe, Eastern --
1
Gaza Strip
1
Gaza Strip --
1
Great Britain
1
Great Britain --
1
Indonesia
1
Indonesia --
1
Korea (South)
1
Korea (South) --
1
Laos
1
Laos --
1
New Zealand --
1
OECD countries --
1
Pacific Area
1
Pacific Area --
1
Poland
1
Poland --
1
Russia (Federation)
1
Russia(Federation)
1
Singapore
1
Singapore --
1
United States
1
West Bank
1
West Bank --
1