| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no method | 14905 |
72.2%
|
| 1 | folkloric method | 64 |
0.3%
|
| 2 | traditional method | 4256 |
20.6%
|
| 3 | modern method | 1430 |
6.9%
|