| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no method | 1441 |
61.6%
|
| 1 | folkloric method | 9 |
0.4%
|
| 2 | traditional method | 398 |
17%
|
| 3 | modern method | 492 |
21%
|
| 8 | don't know | 0 |
0%
|