| Département | Code | Observation(s) | % des observations totales |
|---|
| ARDENNES |
08 | 1 | 1 |
| BAS-RHIN |
67 | 2 | 1.9 |
| CALVADOS |
14 | 1 | 1 |
| CHARENTE-MARITIME |
17 | 48 | 46.6 |
| CHER |
18 | 2 | 1.9 |
| COTE-D'OR |
21 | 1 | 1 |
| DEUX-SEVRES |
79 | 1 | 1 |
| DORDOGNE |
24 | 1 | 1 |
| DROME |
26 | 1 | 1 |
| EURE-ET-LOIR |
28 | 2 | 1.9 |
| FINISTERE |
29 | 1 | 1 |
| HAUTE-GARONNE |
31 | 11 | 10.7 |
| HAUTE-MARNE |
52 | 1 | 1 |
| HAUTE-VIENNE |
87 | 2 | 1.9 |
| HAUT-RHIN |
68 | 7 | 6.8 |
| HERAULT |
34 | 1 | 1 |
| INDRE |
36 | 20 | 19.4 |
| LANDES |
40 | 1 | 1 |
| LOIRE |
42 | 5 | 4.9 |
| LOIRE-ATLANTIQUE |
44 | 1 | 1 |
| LOIRET |
45 | 7 | 6.8 |
| LOIR-ET-CHER |
41 | 3 | 2.9 |
| MAINE-ET-LOIRE |
49 | 3 | 2.9 |
| MEURTHE-ET-MOSELLE |
54 | 3 | 2.9 |
| MEUSE |
55 | 7 | 6.8 |
| MORBIHAN |
56 | 1 | 1 |
| MOSELLE |
57 | 1 | 1 |
| NIEVRE |
58 | 1 | 1 |
| NORD |
59 | 3 | 2.9 |
| PAS-DE-CALAIS |
62 | 5 | 4.9 |
| PUY-DE-DOME |
63 | 1 | 1 |
| SARTHE |
72 | 6 | 5.8 |
| SAVOIE |
73 | 2 | 1.9 |
| SEINE-MARITIME |
76 | 7 | 6.8 |
| SOMME |
80 | 2 | 1.9 |
| TARN-ET-GARONNE |
82 | 7 | 6.8 |
| VENDEE |
85 | 2 | 1.9 |
| VIENNE |
86 | 7 | 6.8 |
| VOSGES |
88 | 2 | 1.9 |