| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 449 |
33.9%
|
| 1 | Several days | 505 |
38.1%
|
| 2 | More than half the days | 141 |
10.6%
|
| 3 | Nearly every day | 230 |
17.4%
|
| 4 | Several days | 0 |
0%
|