| Value | Category | Cases | |
|---|---|---|---|
| 0 | Knows no method | 151 |
4.2%
|
| 1 | Knows only folkloric | 2 |
0.1%
|
| 2 | Knows only trad. mth | 13 |
0.4%
|
| 3 | Knows modern method | 3412 |
95.4%
|