| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 1160 |
55%
|
| 1 | Several days | 630 |
29.8%
|
| 2 | More than half the days | 137 |
6.5%
|
| 3 | Nearly every day | 184 |
8.7%
|
| Sysmiss | 1 |