Country

• Uruguay (4) 

  Bahamas (1) Cayman Islands (1) Costa Rica (1) Dominica (1) Grenada (4) Grenada Grenadines (1) Guatemala (1) Paraguay (1) Surinam (2) United Nations (3) United States (2)

Year

• 1976 (4) 

  1960 (1) 1962 (1) 1974 (1) 1977 (1) 1978 (1) 1979 (1) 1980 (1) 1981 (4) 1982 (2) 1984 (1) 1985 (2) 1986 (3) 2006 (1)

Themes

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•  Post (2)
•  Science (1)