| Value | Category | Cases | |
|---|---|---|---|
| 0 | knows no method | 13 |
1.6%
|
| 1 | knows only folkloric | 0 |
0%
|
| 2 | knows only trad. mth | 0 |
0%
|
| 3 | knows modern method | 792 |
98.4%
|