Argentina  

1

Australia  

6

Brazil  

6

Bulgaria  

1

Canada  

16

China  

15

CIS (Former Soviet Union)  

1,322

Czechoslovakia  

1

France  

24

Germany  

15

Hong Kong  

1

India  

11

Indonesia  

6

Israel  

1

Italy  

4

Japan  

55

Korea (South)  

2

Luxembourg  

4

Mexico  

4

Portugal  

1

Spain  

3

Sweden  

4

Thailand  

2

Turkey  

1

United Kingdom  

18

United States  

658

Arab States  

3

Europe  

27

International  

51

NATO  

8

TOTAL  

2,271