| Year Joined | Answer | % Correct |
|---|---|---|
| 1931 | Canada | 100%
|
| 1931 | Australia | 96%
|
| 1947 | India | 92%
|
| 1931 | New Zealand | 92%
|
| 1931 | South Africa | 84%
|
| 1931 | UK | 84%
|
| 1947 | Pakistan | 80%
|
| 1960 | Nigeria | 64%
|
| 1948 | Sri Lanka | 60%
|
| 1957 | Ghana | 56%
|
| 1961 | Tanzania | 56%
|
| 1962 | Jamaica | 48%
|
| 1957 | Malaysia | 48%
|
| 1961 | Cyprus | 40%
|
| 1961 | Sierra Leone | 24%
|