| Year | Host City | Champion | % Correct |
|---|---|---|---|
| 2014 | Madrid | United States | 88%
|
| 2010 | Istanbul | United States | 84%
|
| 1954 | Rio de Janeiro | United States | 83%
|
| 1986 | Madrid | United States | 79%
|
| 1994 | Toronto | United States | 79%
|
| 1950 | Buenos Aires | Argentina | 78%
|
| 2006 | Saitama | Spain | 74%
|
| 1990 | Buenos Aires | Yugoslavia | 69%
|
| 1978 | Quezon City | Yugoslavia | 67%
|
| 1998 | Athens | Yugoslavia | 66%
|
| 1959 | Santiago, Chile | Brazil | 64%
|
| 1963 | Rio de Janeiro | Brazil | 62%
|
| 1970 | Ljubljana | Yugoslavia | 62%
|
| 1967 | Montevideo | Soviet Union | 60%
|
| 1982 | Cali | Soviet Union | 60%
|
| 2002 | Indianapolis | Yugoslavia | 60%
|
| 1974 | San Juan, Puerto Rico | Soviet Union | 59%
|