| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no method | 829 |
72.3%
|
| 1 | folkloric method | 3 |
0.3%
|
| 2 | traditional method | 233 |
20.3%
|
| 3 | modern method | 81 |
7.1%
|