| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 596 |
45%
|
| 1 | Several days | 416 |
31.4%
|
| 2 | More than half the days | 134 |
10.1%
|
| 3 | Nearly every day | 179 |
13.5%
|
| 4 | Several days | 0 |
0%
|