| Year from | RT | RTL | RTW | Answer | % Correct |
|---|---|---|---|---|---|
| 1948 | ✓ | ✓ | JXC | 100%
| |
| 1950 | ✓ | ✓ | ✓ | KXW | 100%
|
| 1950 | ✓ | ✓ | KYY | 100%
| |
| 1950 | ✓ | ✓ | ✓ | LLU | 100%
|
| 1950 | ✓ | ✓ | LUC | 100%
| |
| 1954 | ✓ | ✓ | OLD | 100%
| |
| 1939 | ✓ | EYK | 50%
| ||
| 1939 | ✓ | FXT | 50%
| ||
| 1947 | ✓ | HLW | 50%
| ||
| 1947 | ✓ | HLX | 50%
| ||
| 1948 | ✓ | ✓ | JXN | 50%
| |
| 1949 | ✓ | ✓ | ✓ | KGK | 50%
|
| 1949 | ✓ | ✓ | KGU | 50%
| |
| 1949 | ✓ | ✓ | ✓ | KLB | 50%
|
| 1951 | ✓ | ✓ | LYF | 50%
| |
| 1951 | ✓ | ✓ | LYR | 50%
| |
| 1952 | ✓ | ✓ | MLL | 50%
| |
| 1952 | ✓ | ✓ | MXX | 50%
| |
| 1953 | ✓ | ✓ | NLE | 50%
| |
| 1953 | ✓ | NLP | 50%
| ||
| 1953 | ✓ | ✓ | NXP | 50%
|