| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 617 |
49.7%
|
| 1 | Rarely (once or twice a month) | 328 |
26.4%
|
| 2 | Sometimes (three or four times a month) | 171 |
13.8%
|
| 3 | Often (more than 6 times per month) | 84 |
6.8%
|
| 4 | Always (every day) | 41 |
3.3%
|
| Sysmiss | 2 |