- United States227
- Soviet Union28
- United States, Georgia8
- China5
- Cuba3
- Austria1
- Czechoslovakia1
- Democratic Republic of the Congo1
- East Germany, Berlin1
- Egypt, Aswan1
- Hungary1
- Moscow1
- Russia, Moscow1
- United States, Alabama, Calhoun County1
- United States, Alabama, Etowah County, Gadsden1
- United States, District of Columbia, Washington1
- United States, Georgia, Fulton County, Atlanta1
- United States, Maryland, Montgomery County, Germantown1
- United States, Pennsylvania1
- United States, Southern States1
