| Département | Code | Observation(s) | % des observations totales |
|---|
| AISNE |
02 | 1 | 2 |
| ALPES-DE-HAUTE-PROVENCE |
04 | 3 | 6 |
| ALPES-MARITIMES |
06 | 2 | 4 |
| ARDECHE |
07 | 3 | 6 |
| ARDENNES |
08 | 1 | 2 |
| BAS-RHIN |
67 | 1 | 2 |
| CALVADOS |
14 | 4 | 8 |
| CHARENTE-MARITIME |
17 | 4 | 8 |
| CORSE-DU-SUD |
2A | 2 | 4 |
| COTES-D'ARMOR |
22 | 8 | 16 |
| DROME |
26 | 1 | 2 |
| ESSONNE |
91 | 5 | 10 |
| EURE |
27 | 2 | 4 |
| EURE-ET-LOIR |
28 | 1 | 2 |
| FINISTERE |
29 | 1 | 2 |
| GARD |
30 | 2 | 4 |
| HAUTE-CORSE |
2B | 1 | 2 |
| HAUTES-ALPES |
05 | 2 | 4 |
| HAUTS-DE-SEINE |
92 | 2 | 4 |
| HERAULT |
34 | 2 | 4 |
| ISERE |
38 | 2 | 4 |
| LOIRE |
42 | 2 | 4 |
| LOIR-ET-CHER |
41 | 1 | 2 |
| LOZERE |
48 | 3 | 6 |
| MEURTHE-ET-MOSELLE |
54 | 2 | 4 |
| MORBIHAN |
56 | 7 | 14 |
| MOSELLE |
57 | 1 | 2 |
| NORD |
59 | 11 | 22 |
| OISE |
60 | 1 | 2 |
| PAS-DE-CALAIS |
62 | 2 | 4 |
| PUY-DE-DOME |
63 | 3 | 6 |
| PYRENEES-ORIENTALES |
66 | 12 | 24 |
| SARTHE |
72 | 7 | 14 |
| SEINE-MARITIME |
76 | 1 | 2 |
| SEINE-SAINT-DENIS |
93 | 2 | 4 |
| SOMME |
80 | 7 | 14 |
| VAL-DE-MARNE |
94 | 3 | 6 |
| VAUCLUSE |
84 | 1 | 2 |
| YVELINES |
78 | 4 | 8 |