| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 277 |
72.9%
|
| 1 | Several days | 81 |
21.3%
|
| 2 | More than half the days | 12 |
3.2%
|
| 3 | Nearly every day | 10 |
2.6%
|