| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 427 |
45.9%
|
| 1 | Several days | 285 |
30.6%
|
| 2 | More than half the days | 159 |
17.1%
|
| 3 | Nearly every day | 59 |
6.3%
|
| Sysmiss | 165 |