| Département | Code | Observation(s) | % des observations totales |
|---|
| AIN |
01 | 1 | 0.4 |
| AISNE |
02 | 4 | 1.5 |
| ARDENNES |
08 | 2 | 0.8 |
| AUBE |
10 | 5 | 1.9 |
| BAS-RHIN |
67 | 11 | 4.2 |
| BOUCHES-DU-RHONE |
13 | 2 | 0.8 |
| CALVADOS |
14 | 4 | 1.5 |
| CHARENTE-MARITIME |
17 | 44 | 16.7 |
| CHER |
18 | 2 | 0.8 |
| CORREZE |
19 | 2 | 0.8 |
| COTE-D'OR |
21 | 1 | 0.4 |
| CREUSE |
23 | 1 | 0.4 |
| DEUX-SEVRES |
79 | 2 | 0.8 |
| DORDOGNE |
24 | 1 | 0.4 |
| ESSONNE |
91 | 1 | 0.4 |
| EURE |
27 | 3 | 1.1 |
| GIRONDE |
33 | 10 | 3.8 |
| HAUTE-GARONNE |
31 | 3 | 1.1 |
| HAUTE-MARNE |
52 | 3 | 1.1 |
| HAUTES-PYRENEES |
65 | 2 | 0.8 |
| HAUT-RHIN |
68 | 24 | 9.1 |
| HERAULT |
34 | 2 | 0.8 |
| INDRE |
36 | 27 | 10.3 |
| ISERE |
38 | 1 | 0.4 |
| LANDES |
40 | 3 | 1.1 |
| LOIRE-ATLANTIQUE |
44 | 2 | 0.8 |
| LOIRET |
45 | 2 | 0.8 |
| MARNE |
51 | 5 | 1.9 |
| MEURTHE-ET-MOSELLE |
54 | 18 | 6.8 |
| MEUSE |
55 | 19 | 7.2 |
| MOSELLE |
57 | 24 | 9.1 |
| NORD |
59 | 7 | 2.7 |
| OISE |
60 | 5 | 1.9 |
| PAS-DE-CALAIS |
62 | 5 | 1.9 |
| PYRENEES-ATLANTIQUES |
64 | 7 | 2.7 |
| SAONE-ET-LOIRE |
71 | 10 | 3.8 |
| SARTHE |
72 | 1 | 0.4 |
| SAVOIE |
73 | 7 | 2.7 |
| SEINE-ET-MARNE |
77 | 3 | 1.1 |
| SEINE-MARITIME |
76 | 24 | 9.1 |
| SOMME |
80 | 56 | 21.3 |
| VAL-DE-MARNE |
94 | 1 | 0.4 |
| VENDEE |
85 | 1 | 0.4 |
| VOSGES |
88 | 17 | 6.5 |
| YONNE |
89 | 1 | 0.4 |
| YVELINES |
78 | 1 | 0.4 |