| Département | Code | Observation(s) | % des observations totales |
|---|
| AIN |
01 | 1 | 1.5 |
| AISNE |
02 | 2 | 3 |
| ARDENNES |
08 | 1 | 1.5 |
| AUBE |
10 | 2 | 3 |
| BOUCHES-DU-RHONE |
13 | 2 | 3 |
| CHARENTE-MARITIME |
17 | 1 | 1.5 |
| CHER |
18 | 1 | 1.5 |
| CORREZE |
19 | 1 | 1.5 |
| DEUX-SEVRES |
79 | 1 | 1.5 |
| EURE |
27 | 1 | 1.5 |
| EURE-ET-LOIR |
28 | 1 | 1.5 |
| GARD |
30 | 1 | 1.5 |
| HAUTE-CORSE |
2B | 2 | 3 |
| HAUTE-GARONNE |
31 | 1 | 1.5 |
| ILLE-ET-VILAINE |
35 | 2 | 3 |
| INDRE |
36 | 12 | 18.2 |
| LOIRE |
42 | 2 | 3 |
| LOIRE-ATLANTIQUE |
44 | 1 | 1.5 |
| MANCHE |
50 | 3 | 4.5 |
| MEURTHE-ET-MOSELLE |
54 | 4 | 6.1 |
| MEUSE |
55 | 1 | 1.5 |
| MORBIHAN |
56 | 1 | 1.5 |
| MOSELLE |
57 | 8 | 12.1 |
| NORD |
59 | 4 | 6.1 |
| OISE |
60 | 2 | 3 |
| ORNE |
61 | 1 | 1.5 |
| PAS-DE-CALAIS |
62 | 1 | 1.5 |
| PYRENEES-ORIENTALES |
66 | 9 | 13.6 |
| SAONE-ET-LOIRE |
71 | 2 | 3 |
| SARTHE |
72 | 1 | 1.5 |
| SAVOIE |
73 | 2 | 3 |
| SEINE-MARITIME |
76 | 5 | 7.6 |
| SOMME |
80 | 9 | 13.6 |
| YVELINES |
78 | 1 | 1.5 |