| Value | Category | Cases | |
|---|---|---|---|
| 0 | knows no method | 3 |
0.4%
|
| 1 | knows only folkloric | 0 |
0%
|
| 2 | knows only trad. mth | 1 |
0.1%
|
| 3 | knows modern method | 801 |
99.5%
|