| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 1809 |
86.4%
|
| 1 | Several days | 169 |
8.1%
|
| 2 | More than half the days | 35 |
1.7%
|
| 3 | Nearly every day | 80 |
3.8%
|
| Sysmiss | 1506 |