| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 413 |
56.4%
|
| 2 | Several days | 178 |
24.3%
|
| 3 | More than half the days | 16 |
2.2%
|
| 4 | Nearly every day | 125 |
17.1%
|
| Sysmiss | 5182 |