| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | Knows no method | 254 |
34.2%
|
| 1 | Knows only folkloric | 0 |
0%
|
| 2 | Knows only trad. mth | 33 |
4.4%
|
| 3 | Knows modern method | 455 |
61.3%
|