| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 295 |
19.5%
|
| 2 | Rarely (once or twice in the month) | 845 |
56%
|
| 3 | Sometimes (three to ten times in the month) | 234 |
15.5%
|
| 4 | Often (more than ten times in the month) | 135 |
8.9%
|
| Sysmiss | 4491 |