| Département | Code | Observation(s) | % des observations totales |
|---|
| AIN |
01 | 1 | 1.1 |
| AISNE |
02 | 6 | 6.9 |
| ARDENNES |
08 | 5 | 5.7 |
| AUBE |
10 | 1 | 1.1 |
| AUDE |
11 | 1 | 1.1 |
| BAS-RHIN |
67 | 3 | 3.4 |
| CHER |
18 | 4 | 4.6 |
| CORREZE |
19 | 3 | 3.4 |
| COTES-D'ARMOR |
22 | 1 | 1.1 |
| CREUSE |
23 | 1 | 1.1 |
| DOUBS |
25 | 1 | 1.1 |
| EURE |
27 | 2 | 2.3 |
| EURE-ET-LOIR |
28 | 1 | 1.1 |
| HAUTE-LOIRE |
43 | 1 | 1.1 |
| HAUTE-SAONE |
70 | 1 | 1.1 |
| HAUTE-VIENNE |
87 | 3 | 3.4 |
| ILLE-ET-VILAINE |
35 | 1 | 1.1 |
| INDRE-ET-LOIRE |
37 | 1 | 1.1 |
| ISERE |
38 | 3 | 3.4 |
| LOIRE |
42 | 3 | 3.4 |
| LOIRET |
45 | 4 | 4.6 |
| LOIR-ET-CHER |
41 | 2 | 2.3 |
| MANCHE |
50 | 1 | 1.1 |
| MEURTHE-ET-MOSELLE |
54 | 2 | 2.3 |
| MEUSE |
55 | 2 | 2.3 |
| MORBIHAN |
56 | 6 | 6.9 |
| MOSELLE |
57 | 1 | 1.1 |
| NORD |
59 | 4 | 4.6 |
| OISE |
60 | 2 | 2.3 |
| PUY-DE-DOME |
63 | 13 | 14.9 |
| RHONE |
69 | 1 | 1.1 |
| SAONE-ET-LOIRE |
71 | 13 | 14.9 |
| SAVOIE |
73 | 3 | 3.4 |
| SEINE-ET-MARNE |
77 | 1 | 1.1 |
| SEINE-MARITIME |
76 | 3 | 3.4 |
| SOMME |
80 | 10 | 11.5 |
| TERRITOIRE-DE-BELFORT |
90 | 1 | 1.1 |
| VAL-DE-MARNE |
94 | 1 | 1.1 |
| VOSGES |
88 | 5 | 5.7 |