| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no method | 1142 |
61.9%
|
| 1 | folkloric method | 7 |
0.4%
|
| 2 | traditional method | 431 |
23.4%
|
| 3 | modern method | 265 |
14.4%
|