| Value | Category | Cases | |
|---|---|---|---|
| 0 | no method | 1365 |
46.3%
|
| 1 | folkloric method | 3 |
0.1%
|
| 2 | traditional method | 5 |
0.2%
|
| 3 | modern method | 1427 |
48.4%
|
| 8 | don't know | 146 |
5%
|
| Sysmiss | 8 |