| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1101 |
73%
|
| 2 | Rarely (once or twice in the month) | 366 |
24.3%
|
| 3 | Sometimes (three to ten times in the month) | 39 |
2.6%
|
| 4 | Often (more than ten times in the month) | 3 |
0.2%
|
| Sysmiss | 4491 |