| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | Never used | 172 |
52%
|
| 1 | Used only folkloric | 2 |
0.6%
|
| 2 | Used only trad. meth | 56 |
16.9%
|
| 3 | Used modern method | 101 |
30.5%
|