| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 969 |
60.9%
|
| 2 | Several days | 540 |
33.9%
|
| 3 | More than half the days | 59 |
3.7%
|
| 4 | Nearly every day | 24 |
1.5%
|