| Country Members | Date of accession | % Correct |
|---|---|---|
| China | November 1991 | 100%
|
| Indonesia | November 1989 | 97%
|
| Vietnam | November 1998 | 97%
|
| Australia | November 1989 | 94%
|
| Canada | November 1989 | 94%
|
| Japan | November 1989 | 94%
|
| South Korea | November 1989 | 94%
|
| Mexico | November 1993 | 91%
|
| Thailand | November 1989 | 91%
|
| United States | November 1989 | 91%
|
| Chile | November 1994 | 88%
|
| Malaysia | November 1989 | 88%
|
| New Zealand | November 1989 | 88%
|
| Peru | November 1998 | 88%
|
| Singapore | November 1989 | 88%
|
| Philippines | November 1989 | 84%
|
| Brunei | November 1989 | 81%
|
| Taiwan | November 1991 | 81%
|
| Russia | November 1998 | 75%
|
| Papua New Guinea | November 1993 | 69%
|