| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 1897 |
89.9%
|
| 1 | Several days | 128 |
6.1%
|
| 2 | More than half the days | 36 |
1.7%
|
| 3 | Nearly every day | 50 |
2.4%
|
| Sysmiss | 1 |