| Département | Code | Observation(s) | % des observations totales |
|---|
| AISNE |
02 | 3 | 3.9 |
| ARDENNES |
08 | 3 | 3.9 |
| AUBE |
10 | 1 | 1.3 |
| BAS-RHIN |
67 | 1 | 1.3 |
| CHARENTE-MARITIME |
17 | 4 | 5.2 |
| CORREZE |
19 | 1 | 1.3 |
| COTE-D'OR |
21 | 1 | 1.3 |
| COTES-D'ARMOR |
22 | 2 | 2.6 |
| CREUSE |
23 | 1 | 1.3 |
| DORDOGNE |
24 | 1 | 1.3 |
| EURE |
27 | 2 | 2.6 |
| EURE-ET-LOIR |
28 | 1 | 1.3 |
| FINISTERE |
29 | 4 | 5.2 |
| HAUTE-MARNE |
52 | 1 | 1.3 |
| HAUTES-ALPES |
05 | 2 | 2.6 |
| HAUTE-SAONE |
70 | 1 | 1.3 |
| HAUTE-SAVOIE |
74 | 1 | 1.3 |
| HAUT-RHIN |
68 | 2 | 2.6 |
| INDRE |
36 | 11 | 14.3 |
| ISERE |
38 | 1 | 1.3 |
| JURA |
39 | 2 | 2.6 |
| LOIRE |
42 | 1 | 1.3 |
| LOIRE-ATLANTIQUE |
44 | 2 | 2.6 |
| MANCHE |
50 | 11 | 14.3 |
| MARNE |
51 | 1 | 1.3 |
| MAYENNE |
53 | 1 | 1.3 |
| MEURTHE-ET-MOSELLE |
54 | 5 | 6.5 |
| MEUSE |
55 | 1 | 1.3 |
| MOSELLE |
57 | 2 | 2.6 |
| NIEVRE |
58 | 2 | 2.6 |
| NORD |
59 | 4 | 5.2 |
| OISE |
60 | 3 | 3.9 |
| PAS-DE-CALAIS |
62 | 7 | 9.1 |
| PUY-DE-DOME |
63 | 4 | 5.2 |
| SARTHE |
72 | 3 | 3.9 |
| SEINE-MARITIME |
76 | 8 | 10.4 |
| SOMME |
80 | 34 | 44.2 |
| VAL-D'OISE |
95 | 1 | 1.3 |
| VOSGES |
88 | 4 | 5.2 |