| Value | Category | Cases | |
|---|---|---|---|
| 1 | Once a week or more | 2 |
1.2%
|
| 2 | Once a month or more | 150 |
93.2%
|
| 3 | Every few months | 4 |
2.5%
|
| 4 | Other (specify) | 5 |
3.1%
|
| Sysmiss | 266 |