| Country | Excellent | Good | Sufficient | Good or Sufficient | Poor | Not classified | Excellent, % |
|---|---|---|---|---|---|---|---|
| France | 2,446 | 483 | 136 | — | 70 | 45 | 78.0 |
| Germany | 2,019 | 141 | 25 | — | 2 | 34 | 92.3 |
| Spain | 1,790 | 201 | 67 | — | 19 | 23 | 86.2 |
| Greece | 1,494 | 9 | — | — | — | 34 | 99.4 |
| Denmark | 838 | 90 | 27 | — | 5 | 10 | 87.3 |
| Croatia | 777 | 15 | 3 | — | — | 14 | 97.7 |
| Finland | 245 | 27 | 6 | — | 2 | 14 | 87.5 |
| Austria | 235 | 23 | — | — | — | — | 91.1 |
| Switzerland | 93 | 2 | 1 | — | 1 | 75 | 95.9 |
| Czechia | 116 | 19 | 2 | — | 1 | 7 | 84.1 |
| Belgium | 87 | 16 | 4 | — | — | 2 | 81.3 |
| Cyprus | 111 | — | — | — | — | 1 | 100.0 |
| Albania | 25 | 12 | 2 | — | 31 | 8 | 35.7 |
| Bulgaria | 67 | 19 | 5 | — | 3 | — | 71.3 |
| Estonia | 33 | 11 | 6 | — | — | 3 | 66.0 |
| Netherlands | 6 | 8 | 1 | — | 1 | — | 37.5 |
| Hungary | 1 | 2 | — | — | — | 2 | 33.3 |
| Portugal | — | 1 | — | — | — | — | 0.0 |