| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | knows no method | 57 |
5%
|
| 1 | knows only folkloric | 1 |
0.1%
|
| 2 | knows only trad. mth | 76 |
6.6%
|
| 3 | knows modern method | 1012 |
88.3%
|