Region
Pennsylvania
12
Illinois
10
Philadelphia
10
Chicago
8
Philadelphia (Pa.)
6
Chicago (Ill.)
5
Missouri
4
Pennsylvanie
4
Philadelphie
4
United States
4
Ann Arbor
2
Ann Arbor (Mich.)
2
Bloomington
2
California
2
Fort Wayne
2
Germany
2
Indiana
2
Michigan
2
Milwaukee
2
Milwaukee (Wis.)
2
New Jersey
2
New York
2
New York (State)
2
Newark
2
Newark (N.J.)
2
Reading
2
Saint Louis
2
San Francisco
2
St. Louis
2
Wisconsin
2
Bloomington (Ill.)
1
New York (État)
1