| Value | Category | Cases | |
|---|---|---|---|
| 1 | Once | 16 |
37.2%
|
| 2 | Per week | 0 |
0%
|
| 3 | Per month | 16 |
37.2%
|
| 4 | Other (specify) | 11 |
25.6%
|
| Sysmiss | 2463 |