| Country | Excellent | Good | Sufficient | Good or Sufficient | Poor | Not classified | Excellent, % |
|---|---|---|---|---|---|---|---|
| France | 2,588 | 450 | 114 | — | 50 | 69 | 80.8 |
| Germany | 2,088 | 92 | 25 | — | 4 | 34 | 94.5 |
| Spain | 1,925 | 165 | 42 | — | 37 | 20 | 88.8 |
| Greece | 1,546 | 18 | — | — | — | 29 | 98.8 |
| Denmark | 871 | 86 | 19 | — | 12 | 8 | 88.2 |
| Croatia | 839 | 8 | 1 | — | 1 | 6 | 98.8 |
| Finland | 251 | 20 | 7 | — | 1 | 18 | 90.0 |
| Austria | 253 | 5 | — | — | — | 1 | 98.1 |
| Switzerland | 135 | 10 | 2 | — | 2 | 31 | 90.6 |
| Czechia | 124 | 13 | 2 | — | 1 | 10 | 88.6 |
| Belgium | 98 | 10 | 2 | — | 1 | 1 | 88.3 |
| Cyprus | 112 | — | — | — | — | — | 100.0 |
| Albania | 67 | 20 | 5 | — | 10 | 6 | 65.7 |
| Bulgaria | 50 | 36 | 7 | — | 1 | 1 | 53.2 |
| Estonia | 35 | 10 | 7 | — | 1 | — | 66.0 |
| Poland | — | — | — | — | — | 14 | — |
| Netherlands | 5 | 8 | 2 | — | 3 | — | 27.8 |
| Hungary | 1 | 4 | — | — | — | 1 | 20.0 |
| Portugal | 2 | — | — | — | — | — | 100.0 |