| Département | Code | Observation(s) | % des observations totales |
|---|
| AIN |
01 | 1 | 0.6 |
| ARDENNES |
08 | 3 | 1.9 |
| ARIEGE |
09 | 20 | 12.3 |
| AUBE |
10 | 1 | 0.6 |
| AUDE |
11 | 1 | 0.6 |
| BAS-RHIN |
67 | 8 | 4.9 |
| CANTAL |
15 | 2 | 1.2 |
| CHARENTE-MARITIME |
17 | 2 | 1.2 |
| CHER |
18 | 1 | 0.6 |
| CORREZE |
19 | 1 | 0.6 |
| COTES-D'ARMOR |
22 | 3 | 1.9 |
| CREUSE |
23 | 1 | 0.6 |
| DOUBS |
25 | 5 | 3.1 |
| EURE |
27 | 2 | 1.2 |
| HAUTE-GARONNE |
31 | 6 | 3.7 |
| HAUTE-SAVOIE |
74 | 1 | 0.6 |
| HAUTES-PYRENEES |
65 | 4 | 2.5 |
| HAUTE-VIENNE |
87 | 2 | 1.2 |
| HAUT-RHIN |
68 | 9 | 5.6 |
| ILLE-ET-VILAINE |
35 | 4 | 2.5 |
| INDRE |
36 | 8 | 4.9 |
| ISERE |
38 | 4 | 2.5 |
| JURA |
39 | 5 | 3.1 |
| LOIR-ET-CHER |
41 | 1 | 0.6 |
| MANCHE |
50 | 6 | 3.7 |
| MEURTHE-ET-MOSELLE |
54 | 12 | 7.4 |
| MEUSE |
55 | 12 | 7.4 |
| MORBIHAN |
56 | 4 | 2.5 |
| MOSELLE |
57 | 3 | 1.9 |
| NIEVRE |
58 | 4 | 2.5 |
| NORD |
59 | 3 | 1.9 |
| ORNE |
61 | 1 | 0.6 |
| PUY-DE-DOME |
63 | 10 | 6.2 |
| PYRENEES-ATLANTIQUES |
64 | 1 | 0.6 |
| RHONE |
69 | 1 | 0.6 |
| SARTHE |
72 | 6 | 3.7 |
| SAVOIE |
73 | 65 | 40.1 |
| SEINE-ET-MARNE |
77 | 1 | 0.6 |
| SEINE-MARITIME |
76 | 4 | 2.5 |
| SOMME |
80 | 1 | 0.6 |
| TERRITOIRE-DE-BELFORT |
90 | 4 | 2.5 |
| VAL-D'OISE |
95 | 1 | 0.6 |
| VOSGES |
88 | 7 | 4.3 |
| YVELINES |
78 | 1 | 0.6 |