| Value | Category | Cases | |
|---|---|---|---|
| 1 | Once | 2 |
15.4%
|
| 2 | Every month | 9 |
69.2%
|
| 3 | Weekly | 0 |
0%
|
| 96 | Other, specify | 2 |
15.4%
|
| Sysmiss | 307 |