BOI 2022, Romania (Bucharest)
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| Country ↑ | Members | Leaders | Guests | G | S | B | H | Total |
|---|---|---|---|---|---|---|---|---|
 Albania | 2 | 1 | - | - | - | - | - | - |
 Bosnia and Herzegovina | 4 | 2 | - | - | - | 2 | - | 2 |
 Bulgaria | 4 | 2 | - | 1 | 2 | - | - | 3 |
 Cyprus | 4 | 2 | - | - | - | 1 | - | 1 |
 Greece | 4 | 2 | - | - | - | - | - | - |
 Hungary | 4 | 2 | - | - | - | 4 | - | 4 |
 Italy | 4 | 2 | - | - | - | 2 | - | 2 |
 Moldova | 4 | 2 | - | - | - | 3 | - | 3 |
 Montenegro | 1 | 1 | - | - | 1 | - | - | 1 |
 North Macedonia | 4 | 2 | - | - | 1 | 1 | - | 2 |
| Romania | 8 | 4 | - | 3 | 4 | 1 | - | 8 |
 Serbia | 4 | 2 | - | - | 3 | 1 | - | 4 |
 Slovenia | 4 | 1 | - | 1 | - | - | - | 1 |
 Switzerland | 4 | 2 | - | - | - | 3 | - | 3 |
 Türkiye | 4 | 2 | - | - | 1 | 2 | - | 3 |
 Ukraine | 4 | 2 | - | - | - | 2 | - | 2 |