| Département | Code | Observation(s) | % des observations totales |
|---|---|---|---|
| CHARENTE-MARITIME | 17 | 10 | 58.8 |
| CHER | 18 | 1 | 5.9 |
| CORREZE | 19 | 1 | 5.9 |
| COTES-D'ARMOR | 22 | 1 | 5.9 |
| DEUX-SEVRES | 79 | 1 | 5.9 |
| EURE | 27 | 1 | 5.9 |
| EURE-ET-LOIR | 28 | 1 | 5.9 |
| FINISTERE | 29 | 2 | 11.8 |
| LOIRE-ATLANTIQUE | 44 | 1 | 5.9 |
| MAINE-ET-LOIRE | 49 | 1 | 5.9 |
| MANCHE | 50 | 1 | 5.9 |
| MORBIHAN | 56 | 4 | 23.5 |
| NORD | 59 | 2 | 11.8 |
| PAS-DE-CALAIS | 62 | 2 | 11.8 |
| PYRENEES-ORIENTALES | 66 | 6 | 35.3 |
| SAONE-ET-LOIRE | 71 | 1 | 5.9 |
| SEINE-MARITIME | 76 | 3 | 17.6 |
| SOMME | 80 | 1 | 5.9 |
| VENDEE | 85 | 1 | 5.9 |
| YVELINES | 78 | 1 | 5.9 |