| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | No method | 4257 |
89.4%
|
| 1 | Folkloric method | 4 |
0.1%
|
| 2 | Traditional method | 169 |
3.5%
|
| 3 | Modern method | 334 |
7%
|