| Value | Category | Cases | |
|---|---|---|---|
| 0 | knows no method | 2 |
0.9%
|
| 1 | knows only folkloric | 0 |
0%
|
| 2 | knows only trad. mth | 0 |
0%
|
| 3 | knows modern method | 210 |
99.1%
|