| Département | Code | Observation(s) | % des observations totales |
|---|---|---|---|
| ARDENNES | 08 | 2 | 3.4 |
| BAS-RHIN | 67 | 4 | 6.9 |
| CANTAL | 15 | 6 | 10.3 |
| DOUBS | 25 | 12 | 20.7 |
| HAUTE-LOIRE | 43 | 2 | 3.4 |
| HAUTE-SAONE | 70 | 5 | 8.6 |
| HAUT-RHIN | 68 | 6 | 10.3 |
| JURA | 39 | 8 | 13.8 |
| LOIRE | 42 | 16 | 27.6 |
| LOZERE | 48 | 3 | 5.2 |
| MOSELLE | 57 | 1 | 1.7 |
| NIEVRE | 58 | 2 | 3.4 |
| PUY-DE-DOME | 63 | 10 | 17.2 |
| SEINE-MARITIME | 76 | 1 | 1.7 |
| VOSGES | 88 | 18 | 31 |