| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | No method | 263 |
79.5%
|
| 1 | Folkloric method | 2 |
0.6%
|
| 2 | Traditional method | 34 |
10.3%
|
| 3 | Modern method | 32 |
9.7%
|