| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 1115 |
72.2%
|
| 2 | Several days | 337 |
21.8%
|
| 3 | More than half the days | 66 |
4.3%
|
| 4 | Nearly every day | 26 |
1.7%
|
| Sysmiss | 1 |