| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no method | 1599 |
81.3%
|
| 1 | folkloric method | 1 |
0.1%
|
| 2 | traditional method | 46 |
2.3%
|
| 3 | modern method | 322 |
16.4%
|