Region
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Pacific area
1
Pakistan
1
Pakistan --
1
Russia
2
Russia (Federation)
4
Russia (Federation) --
4
Russia --
2
South Asia
1
South Asia --
1
Southeast Asia
7
Southeast Asia --
6
Soviet Union
1
Soviet Union --
1
Taiwan
1
Taiwan --
1
Transcaucasia
1
Transcaucasia --
1
Ukraine
1
Ukraine --
2
United State
1
United States
18
United States - --
1
United States --
21
United states --
3