| Value | Category | Cases | |
|---|---|---|---|
| 0 | knows no method | 138 |
0.7%
|
| 1 | knows only folkloric | 0 |
0%
|
| 2 | knows only trad. mth | 7 |
0%
|
| 3 | knows modern method | 18609 |
99.2%
|