| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 1391 |
37.7%
|
| 2 | Several days | 1411 |
38.2%
|
| 3 | More than half the days | 599 |
16.2%
|
| 4 | Nearly every day | 293 |
7.9%
|