| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 279 |
22.5%
|
| 1 | Rarely (once or twice a month) | 342 |
27.6%
|
| 2 | Sometimes (three or four times a month) | 266 |
21.5%
|
| 3 | Often (more than 6 times per month) | 188 |
15.2%
|
| 4 | Always (every day) | 163 |
13.2%
|
| Sysmiss | 5 |