| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | No method | 2494 |
79.2%
|
| 1 | Folkloric method | 4 |
0.1%
|
| 2 | Traditional method | 178 |
5.7%
|
| 3 | Modern method | 473 |
15%
|