| Country | Excellent | Good | Sufficient | Good or Sufficient | Poor | Not classified | Excellent, % |
|---|---|---|---|---|---|---|---|
| France | 2,631 | 431 | 100 | — | 68 | 65 | 81.5 |
| Germany | 2,089 | 103 | 26 | — | 7 | 30 | 93.9 |
| Spain | 1,961 | 158 | 38 | — | 28 | 16 | 89.7 |
| Greece | 1,562 | 31 | — | — | — | 39 | 98.1 |
| Denmark | 887 | 83 | 20 | — | 8 | 6 | 88.9 |
| Croatia | 837 | 11 | 3 | — | — | 8 | 98.4 |
| Finland | 258 | 16 | 8 | — | 2 | 15 | 90.8 |
| Austria | 255 | 3 | — | — | — | 1 | 98.8 |
| Switzerland | 151 | 6 | 5 | — | 2 | 20 | 92.1 |
| Czechia | 124 | 13 | 4 | — | 1 | 10 | 87.3 |
| Belgium | 96 | 13 | 2 | — | — | 1 | 86.5 |
| Cyprus | 112 | — | — | — | — | — | 100.0 |
| Albania | 70 | 26 | 5 | — | 7 | 11 | 64.8 |
| Bulgaria | 62 | 28 | 4 | — | — | 1 | 66.0 |
| Estonia | 34 | 10 | 6 | — | 3 | — | 64.2 |
| Poland | — | 1 | — | — | — | 22 | 0.0 |
| Netherlands | 9 | 5 | 1 | — | 1 | 2 | 56.2 |
| Hungary | — | 4 | 1 | — | — | 1 | 0.0 |
| Portugal | 2 | — | — | — | — | 1 | 100.0 |