| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 905 |
67.3%
|
| 2 | Several days | 311 |
23.1%
|
| 3 | More than half the days | 72 |
5.4%
|
| 4 | Nearly every day | 56 |
4.2%
|
| Sysmiss | 3 |