| Value | Category | Cases | |
|---|---|---|---|
| 0 | Knows no method | 81 |
2.4%
|
| 1 | Knows only folkloric | 0 |
0%
|
| 2 | Knows only trad. mth | 7 |
0.2%
|
| 3 | Knows modern method | 3319 |
97.4%
|