| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 276 |
72.6%
|
| 1 | Several days | 78 |
20.5%
|
| 2 | More than half the days | 13 |
3.4%
|
| 3 | Nearly every day | 13 |
3.4%
|