Region
Illinois
7
California
6
Chicago
5
Chicago (Ill.)
4
Los Angeles
4
Pennsylvania
4
Philadelphia
4
Ann Arbor
2
Ann Arbor (Mich.)
2
Bloomington
2
Los Angeles (Calif.)
2
Marathon (Iowa)
2
Michigan
2
Milwaukee
2
New York
2
New York (State)
2
Philadelphia (Pa.)
2
San Francisco
2
San Francisco (Calif.)
2
Wisconsin
2
Bloomington (Ill.)
1
Californie
1
Milwaukee (Wis.)
1
New York (N.Y.)
1