| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no method | 8942 |
84%
|
| 1 | folkloric method | 15 |
0.1%
|
| 2 | traditional method | 664 |
6.2%
|
| 3 | modern method | 1024 |
9.6%
|