Region
United States
712
Washington (D.C.)
9
North Carolina
8
Japan
7
Massachusetts
7
Alaska
6
Arizona
6
Colorado
6
Iowa
5
New York (State)
5
Connecticut
4
Illinois
4
Denver
3
Louisiana
3
Maryland
3
Minnesota
3
Mississippi
3
New Mexico
3
North Dakota
3
Oregon
3
Alabama
2
California
2
Florida
2
Hawaii
2
Indiana
2
Michigan
2
Montana
2
Nebraska
2
Nevada
2
Pennsylvania
2
Rhode Island
2
Tennessee
2
Vermont
2
Washington (State)
2
Wisconsin
2
Wyoming
2
Afghanistan
1
Africa
1
Appalachian Region
1
Arkansas
1
Bristol
1
Camp Lejeune
1
Chautauqua County
1
Chelsea
1
Chicago
1
Cochiti Dam (N.M.)
1
Delaware
1
Developing countries
1
Dillingham
1
Europe, Eastern
1
more ...