Region
United States
322
California
3
Soviet Union
3
Southern States
2
Vietnam
2
Alabama
1
Brooklyn (New York, N.Y.)
1
China
1
Maryland
1
Massachusetts
1
Missouri
1
New Hampshire
1
New York (N.Y.)
1
Outer space
1
Russia
1
Southwest, New
1
Texas
1
Tokyo (Japan)
1
Washington (D.C.)
1
Washington (State)
1
West Virginia
1