| Département | Code | Observation(s) | % des observations totales |
|---|
| AIN |
01 | 1 | 1.2 |
| AISNE |
02 | 3 | 3.7 |
| ARIEGE |
09 | 7 | 8.5 |
| AUBE |
10 | 1 | 1.2 |
| BAS-RHIN |
67 | 1 | 1.2 |
| CHARENTE-MARITIME |
17 | 5 | 6.1 |
| CHER |
18 | 1 | 1.2 |
| CORREZE |
19 | 4 | 4.9 |
| CORSE-DU-SUD |
2A | 1 | 1.2 |
| COTES-D'ARMOR |
22 | 1 | 1.2 |
| DORDOGNE |
24 | 1 | 1.2 |
| EURE |
27 | 1 | 1.2 |
| EURE-ET-LOIR |
28 | 2 | 2.4 |
| HAUTE-GARONNE |
31 | 5 | 6.1 |
| HAUTES-PYRENEES |
65 | 1 | 1.2 |
| HAUTE-VIENNE |
87 | 2 | 2.4 |
| HAUT-RHIN |
68 | 1 | 1.2 |
| ILLE-ET-VILAINE |
35 | 2 | 2.4 |
| INDRE |
36 | 12 | 14.6 |
| ISERE |
38 | 1 | 1.2 |
| LOIR-ET-CHER |
41 | 1 | 1.2 |
| LOZERE |
48 | 1 | 1.2 |
| MAINE-ET-LOIRE |
49 | 1 | 1.2 |
| MANCHE |
50 | 2 | 2.4 |
| MEURTHE-ET-MOSELLE |
54 | 2 | 2.4 |
| MORBIHAN |
56 | 2 | 2.4 |
| MOSELLE |
57 | 1 | 1.2 |
| NIEVRE |
58 | 1 | 1.2 |
| NORD |
59 | 2 | 2.4 |
| OISE |
60 | 2 | 2.4 |
| PAS-DE-CALAIS |
62 | 1 | 1.2 |
| PUY-DE-DOME |
63 | 1 | 1.2 |
| PYRENEES-ATLANTIQUES |
64 | 7 | 8.5 |
| SAONE-ET-LOIRE |
71 | 3 | 3.7 |
| SARTHE |
72 | 6 | 7.3 |
| SAVOIE |
73 | 3 | 3.7 |
| SEINE-MARITIME |
76 | 1 | 1.2 |
| SOMME |
80 | 7 | 8.5 |
| VOSGES |
88 | 1 | 1.2 |
| YVELINES |
78 | 3 | 3.7 |