| Département | Code | Observation(s) | % des observations totales |
|---|
| ARDENNES |
08 | 1 | 3.7 |
| AUBE |
10 | 1 | 3.7 |
| CORREZE |
19 | 1 | 3.7 |
| COTES-D'ARMOR |
22 | 1 | 3.7 |
| CREUSE |
23 | 1 | 3.7 |
| EURE-ET-LOIR |
28 | 2 | 7.4 |
| GIRONDE |
33 | 2 | 7.4 |
| HAUTE-GARONNE |
31 | 3 | 11.1 |
| HAUTE-MARNE |
52 | 1 | 3.7 |
| HAUTES-PYRENEES |
65 | 1 | 3.7 |
| ILLE-ET-VILAINE |
35 | 1 | 3.7 |
| INDRE |
36 | 1 | 3.7 |
| ISERE |
38 | 1 | 3.7 |
| JURA |
39 | 1 | 3.7 |
| LOZERE |
48 | 1 | 3.7 |
| MANCHE |
50 | 14 | 51.9 |
| MARNE |
51 | 1 | 3.7 |
| MAYENNE |
53 | 1 | 3.7 |
| MEURTHE-ET-MOSELLE |
54 | 1 | 3.7 |
| MEUSE |
55 | 5 | 18.5 |
| NORD |
59 | 4 | 14.8 |
| ORNE |
61 | 1 | 3.7 |
| PUY-DE-DOME |
63 | 1 | 3.7 |
| SAONE-ET-LOIRE |
71 | 7 | 25.9 |
| SARTHE |
72 | 3 | 11.1 |
| SEINE-MARITIME |
76 | 2 | 7.4 |
| VOSGES |
88 | 2 | 7.4 |
| YVELINES |
78 | 1 | 3.7 |