| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 1753 |
83%
|
| 1 | Several days | 253 |
12%
|
| 2 | More than half the days | 45 |
2.1%
|
| 3 | Nearly every day | 60 |
2.8%
|
| Sysmiss | 1 |