Region
United States
596
États-Unis
180
USA
83
New York (State)
41
New York
31
Great Britain
14
California
11
Etats-Unis
11
New York (État)
11
Soviet Union
9
Estados Unidos
8
Italy
8
Reggio Emilia
7
Connecticut
6
Japan
6
Massachusetts
6
Southern States
6
Chicago
5
Förenta staterna
5
Illinois
5
New Jersey
5
New York (N.Y.)
5
Ohio
5
Boston
4
Mississippi
4
Berkeley
3
Californie
3
England
3
Europe
3
New Haven
3
Alabama
2
Baltimore
2
Cambridge
2
China
2
Developing countries
2
États-Unis (Sud)
2
France
2
Grande-Bretagne
2
India
2
Japon
2
Kent
2
Maryland
2
New Zealand
2
Newark
2
Russia
2
Schwarze
2
URSS
2
Virginia
2
Wisconsin
2
Angleterre
1
more ...