| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no method | 34647 |
87.1%
|
| 1 | folkloric method | 12 |
0%
|
| 2 | traditional method | 603 |
1.5%
|
| 3 | modern method | 4531 |
11.4%
|