| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | No method | 894 |
78.1%
|
| 1 | Folkloric method | 14 |
1.2%
|
| 2 | Traditional method | 135 |
11.8%
|
| 3 | Modern method | 102 |
8.9%
|