| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 1056 |
78.6%
|
| 2 | Several days | 220 |
16.4%
|
| 3 | More than half the days | 50 |
3.7%
|
| 4 | Nearly every day | 18 |
1.3%
|
| Sysmiss | 3 |