Geographic Subject
North Carolina
7
Michigan
4
Delaware
3
South Carolina
3
Georgia
2
Illinois
2
Louisiana
2
Minnesota
2
New Jersey
2
New York (State)
2
Ohio
2
Pennsylvania
2
South Africa
2
Texas
2
United States
2
Belize
1
Florida
1
Idaho
1
Iowa
1
Massachusetts
1
Missouri
1
New Hampshire
1
North Dakota
1
Rhode Island
1
South Dakota
1
Tennessee
1