| Joined | Country | % Correct |
|---|---|---|
| 1926 | Australia | 91%
|
| 1926 | Canada | 91%
|
| 1947 | India | 91%
|
| 1926 | New Zealand | 86%
|
| 1926 | United Kingdom | 86%
|
| 1947 | Pakistan | 77%
|
| 1926 | South Africa | 77%
|
| 1957 | Malaysia | 50%
|
| 1948 | Sri Lanka | 50%
|
| 1957 | Ghana | 41%
|