U.S. adult citizens
Northeast
Midwest
South
West
New York
27
47
15
30
18
Chicago
19
12
30
19
14
California
8
4
5
6
19
Sicilian
7
9
3
8
5
Detroit
4
2
5
3
5
Neapolitan
3
3
1
3
3
St. Louis
2
1
5
1
3
New Haven
2
3
3
1
2