| Country | Excellent | Good | Sufficient | Good or Sufficient | Poor | Not classified | Excellent, % |
|---|---|---|---|---|---|---|---|
| France | 2,558 | 479 | 131 | — | 93 | 109 | 78.4 |
| Germany | 2,068 | 135 | 36 | — | 14 | 39 | 91.8 |
| Spain | 2,000 | 172 | 38 | — | 37 | 21 | 89.0 |
| Greece | 1,624 | 17 | 4 | — | — | 37 | 98.7 |
| Denmark | 980 | 42 | 6 | — | 3 | 8 | 95.1 |
| Croatia | 840 | 12 | 4 | — | — | 7 | 98.1 |
| Finland | 271 | 16 | 5 | — | 7 | 4 | 90.6 |
| Austria | 252 | 6 | 1 | — | — | 1 | 97.3 |
| Switzerland | 153 | 13 | 2 | — | 6 | 22 | 87.9 |
| Czechia | 120 | 20 | 3 | — | — | 13 | 83.9 |
| Belgium | 98 | 26 | 3 | — | — | 1 | 77.2 |
| Cyprus | 119 | — | — | — | — | 1 | 100.0 |
| Albania | 80 | 28 | 3 | — | 8 | — | 67.2 |
| Bulgaria | 89 | 7 | — | — | — | — | 92.7 |
| Estonia | 42 | 16 | 3 | — | 1 | 3 | 67.7 |
| Poland | 13 | 8 | 1 | — | 1 | 8 | 56.5 |
| Netherlands | 9 | 9 | 1 | — | 1 | 1 | 45.0 |
| Hungary | 3 | 1 | 1 | — | 1 | 1 | 50.0 |
| Portugal | 2 | 1 | — | — | — | — | 66.7 |