| Département | Code | Observation(s) | % des observations totales |
|---|---|---|---|
| ARDENNES | 08 | 1 | 1.9 |
| ARIEGE | 09 | 1 | 1.9 |
| AUDE | 11 | 1 | 1.9 |
| CHARENTE-MARITIME | 17 | 19 | 36.5 |
| CHER | 18 | 2 | 3.8 |
| HAUTE-GARONNE | 31 | 6 | 11.5 |
| INDRE | 36 | 27 | 51.9 |
| MAINE-ET-LOIRE | 49 | 1 | 1.9 |
| MEUSE | 55 | 2 | 3.8 |
| NIEVRE | 58 | 1 | 1.9 |
| PUY-DE-DOME | 63 | 3 | 5.8 |
| SARTHE | 72 | 4 | 7.7 |
| TARN-ET-GARONNE | 82 | 4 | 7.7 |
| VOSGES | 88 | 2 | 3.8 |