| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 1012 |
75.3%
|
| 2 | Several days | 247 |
18.4%
|
| 3 | More than half the days | 60 |
4.5%
|
| 4 | Nearly every day | 25 |
1.9%
|
| Sysmiss | 3 |