| Country | Excellent | Good | Sufficient | Good or Sufficient | Poor | Not classified | Excellent, % |
|---|---|---|---|---|---|---|---|
| France | 1,873 | — | — | 828 | 60 | 324 | 67.8 |
| Germany | 1,943 | 122 | 26 | — | 6 | 99 | 92.7 |
| Spain | 1,735 | 158 | 79 | — | 44 | 29 | 86.1 |
| Greece | 1,370 | 76 | 21 | — | 2 | — | 93.3 |
| Denmark | 715 | 139 | 49 | — | 19 | 33 | 77.5 |
| Croatia | 750 | 18 | 7 | — | 3 | 10 | 96.4 |
| Finland | 242 | 21 | 3 | — | 2 | 21 | 90.3 |
| Austria | 193 | — | — | 65 | — | — | 74.8 |
| Switzerland | 20 | — | — | 5 | — | 106 | 80.0 |
| Czechia | 111 | 18 | 2 | — | 3 | 10 | 82.8 |
| Belgium | 71 | 28 | 3 | — | 8 | 2 | 64.5 |
| Cyprus | 111 | — | — | — | — | — | 100.0 |
| Bulgaria | 59 | — | — | 33 | 1 | — | 63.4 |
| Estonia | 34 | 10 | 5 | — | — | 3 | 69.4 |
| Poland | 2 | — | — | — | — | 1 | 100.0 |
| Netherlands | 4 | 5 | 4 | — | 1 | 2 | 28.6 |
| Hungary | 2 | — | — | — | — | 3 | 100.0 |
| Portugal | — | 1 | — | — | — | — | 0.0 |