Valeur | Catégorie | le cas | |
---|---|---|---|
0 | knows no method | 119 |
6.4%
|
1 | knows only folkloric | 2 |
0.1%
|
2 | knows only trad. mth | 134 |
7.3%
|
3 | knows modern method | 1590 |
86.2%
|