| Département | Code | Observation(s) | % des observations totales |
|---|
| AIN |
01 | 4 | 6 |
| ARDENNES |
08 | 1 | 1.5 |
| ARIEGE |
09 | 1 | 1.5 |
| AUBE |
10 | 2 | 3 |
| BAS-RHIN |
67 | 10 | 14.9 |
| CALVADOS |
14 | 1 | 1.5 |
| CHER |
18 | 2 | 3 |
| COTE-D'OR |
21 | 2 | 3 |
| ESSONNE |
91 | 1 | 1.5 |
| EURE-ET-LOIR |
28 | 1 | 1.5 |
| FINISTERE |
29 | 1 | 1.5 |
| HAUTE-MARNE |
52 | 4 | 6 |
| HAUTES-ALPES |
05 | 4 | 6 |
| HAUT-RHIN |
68 | 2 | 3 |
| INDRE |
36 | 6 | 9 |
| ISERE |
38 | 1 | 1.5 |
| JURA |
39 | 2 | 3 |
| LOIRE |
42 | 3 | 4.5 |
| MANCHE |
50 | 24 | 35.8 |
| MAYENNE |
53 | 1 | 1.5 |
| NORD |
59 | 7 | 10.4 |
| ORNE |
61 | 1 | 1.5 |
| PAS-DE-CALAIS |
62 | 2 | 3 |
| PUY-DE-DOME |
63 | 3 | 4.5 |
| PYRENEES-ATLANTIQUES |
64 | 1 | 1.5 |
| PYRENEES-ORIENTALES |
66 | 2 | 3 |
| SAONE-ET-LOIRE |
71 | 3 | 4.5 |
| SARTHE |
72 | 2 | 3 |
| SAVOIE |
73 | 2 | 3 |
| SEINE-ET-MARNE |
77 | 1 | 1.5 |
| SEINE-MARITIME |
76 | 2 | 3 |
| SEINE-SAINT-DENIS |
93 | 1 | 1.5 |
| SOMME |
80 | 9 | 13.4 |
| VOSGES |
88 | 1 | 1.5 |