| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | No method | 9269 |
80.6%
|
| 1 | Folkloric method | 16 |
0.1%
|
| 2 | Traditional method | 535 |
4.7%
|
| 3 | Modern method | 1677 |
14.6%
|