| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 667 |
74.9%
|
| 1 | Several days | 163 |
18.3%
|
| 2 | More than half the days | 31 |
3.5%
|
| 3 | Nearly every day | 29 |
3.3%
|