| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 1455 |
68.9%
|
| 1 | Several days | 414 |
19.6%
|
| 2 | More than half the days | 72 |
3.4%
|
| 3 | Nearly every day | 170 |
8.1%
|
| Sysmiss | 1 |