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Subject (Region)
- United States1,803
- Soviet Union166
- China143
- Germany86
- Canada79
- Europe70
- Great Britain65
- Japan61
- France47
- Russia (Federation)38
- Vietnam34
- Latin America32
- Spain32
- Germany (West)29
- Brazil28
- Italy28
- Mexico28
- Germany (East)25
- Africa23
- India21