| Year | Debater | Record | Result |
|---|---|---|---|
| 1978 | Judy Anderson & Leonard Lee | Unknown | Did Not Clear |
| 1977 | Unknown | Did Not Clear | |
| 1974 | Unknown | Did Not Clear | |
| 1969 | 4-6 | 18th Place | |
| 1967 | 5-5 | 16th Place | |
| 1963 | 6-4 | 9th Place | |
| 1958 | 1-5 | 16th Place | |
| 1955 | Unknown | Unknown | |
| 1952 | 4-2 | 5th Place |