Valeur | Catégorie | le cas | |
---|---|---|---|
0 | knows no method | 105 |
4.5%
|
1 | knows only folkloric | 2 |
0.1%
|
2 | knows only trad. mth | 58 |
2.5%
|
3 | knows modern method | 2175 |
92.9%
|