| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 306 |
20.3%
|
| 2 | Rarely (once or twice in the month) | 857 |
56.8%
|
| 3 | Sometimes (three to ten times in the month) | 286 |
19%
|
| 4 | Often (more than ten times in the month) | 60 |
4%
|
| Sysmiss | 4491 |