| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 193 |
64.8%
|
| 1 | Several days | 75 |
25.2%
|
| 2 | Over half the days | 23 |
7.7%
|
| 3 | Nearly every day | 7 |
2.3%
|
| Sysmiss | 22 |