| Country | Excellent | Good | Sufficient | Good or Sufficient | Poor | Not classified | Excellent, % |
|---|---|---|---|---|---|---|---|
| France | 2,563 | 472 | 113 | — | 77 | 79 | 79.5 |
| Germany | 2,054 | 112 | 30 | — | 11 | 74 | 93.1 |
| Spain | 1,972 | 151 | 37 | — | 14 | 44 | 90.7 |
| Greece | 1,585 | 34 | — | — | — | 13 | 97.9 |
| Denmark | 920 | 64 | 14 | — | 5 | 10 | 91.7 |
| Croatia | 838 | 16 | 3 | — | — | 6 | 97.8 |
| Finland | 267 | 20 | 5 | — | 4 | 5 | 90.2 |
| Austria | 254 | 5 | — | — | — | 1 | 98.1 |
| Switzerland | 136 | 15 | 3 | — | 2 | 33 | 87.2 |
| Czechia | 125 | 11 | 5 | — | — | 11 | 88.7 |
| Belgium | 95 | 16 | 2 | — | — | 4 | 84.1 |
| Cyprus | 112 | — | — | — | — | — | 100.0 |
| Albania | 91 | 21 | 2 | — | 5 | — | 76.5 |
| Bulgaria | 58 | 37 | — | — | — | 1 | 61.1 |
| Estonia | 40 | 14 | 4 | — | 3 | 3 | 65.6 |
| Poland | — | 1 | — | — | — | 22 | 0.0 |
| Netherlands | 11 | 5 | 1 | — | 1 | — | 61.1 |
| Hungary | 1 | 1 | 2 | — | 1 | 1 | 20.0 |
| Portugal | 2 | — | — | — | — | 1 | 100.0 |