| Note | Member Nation | extra |
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| original member | |
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| original member | |
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| original member | |
| original member | |
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| original member | |
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| original member | |
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| original member | |
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| original member | |
| original member | |
| original member | |
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| original member | |
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| original member | |
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| original member | |
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| original member | |
| original member | |
| original member | |
| original member | |
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| original member | |
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| original member | |
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| | Note | Member Nation | extra |
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| original member | |
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| original member | |
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| original member | |
| original member | |
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| original member | |
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| original member | |
| original member | |
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| original member | |
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| original member | |
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| original member | |
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| original member | |
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| original member | |
| original member | |
| original member | |
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| original member | |
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| original member | |
| | Note | Member Nation | extra |
| |
| original member | |
| original member | |
| original member | |
| original member | |
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| original member | |
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| original member | |
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| original member | |
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| original member | |
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| original member | |
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| original member | |
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| original member | |
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| original member | |
| original member | |
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| original member | |
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| observer status | |
| observer status | |
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