| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 265 |
69.7%
|
| 1 | Several days | 83 |
21.8%
|
| 2 | More than half the days | 11 |
2.9%
|
| 3 | Nearly every day | 21 |
5.5%
|