| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no method | 5107 |
85.8%
|
| 1 | folkloric method | 2 |
0%
|
| 2 | traditional method | 506 |
8.5%
|
| 3 | modern method | 338 |
5.7%
|