Region
1989-
1
2001-
1
Asia
3
Asia --
3
Canada
1
China
1
China --
1
Europe
25
Europe --
35
Former Soviet republics
1
Former Soviet republics --
1
Japan
1
Japan --
1
Kosovo (Serbia)
1
Kosovo (Serbia) --
1
Malaysia
1
Malaysia --
1
Middle East
3
Middle East --
3
Russia
1
Russia (Federation)
4
Russia (Federation) --
4
Russia --
2
Serbia and Montenegro --
1
Soviet Union
3
Soviet Union --
4
Turkey
1
Turkey --
1
United States
11
United States --
13