Region
United States
226
Russia (Federation)
61
Iran
30
Soviet Union
28
Korea (North)
19
Europe
10
Former Soviet republics
9
China
8
Iraq
5
India
4
Ukraine
4
Libya
2
Middle East
2
Pacific Area
2
Pakistan
2
Philippines
2
Uzbekistan
2
Africa
1
East Asia
1
Europe, Eastern
1
Europe, Western
1
Israel
1
Japan
1
Korea
1
Korea (South)
1
Latin America
1
Russia
1
Saudi Arabia
1
South Asia
1
United Arab Emirates
1