| Département | Code | Observation(s) | % des observations totales |
|---|---|---|---|
| ALPES-DE-HAUTE-PROVENCE | 04 | 1 | 10 |
| ARDENNES | 08 | 1 | 10 |
| CHARENTE-MARITIME | 17 | 1 | 10 |
| CHER | 18 | 1 | 10 |
| ESSONNE | 91 | 1 | 10 |
| EURE-ET-LOIR | 28 | 1 | 10 |
| INDRE | 36 | 1 | 10 |
| LOT | 46 | 1 | 10 |
| MEURTHE-ET-MOSELLE | 54 | 2 | 20 |
| OISE | 60 | 1 | 10 |
| TARN-ET-GARONNE | 82 | 3 | 30 |