| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 468 |
52.6%
|
| 1 | Several days | 308 |
34.6%
|
| 2 | More than half the days | 49 |
5.5%
|
| 3 | Nearly every day | 65 |
7.3%
|