| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 455 |
51.1%
|
| 1 | Several days | 312 |
35.1%
|
| 2 | More than half the days | 51 |
5.7%
|
| 3 | Nearly every day | 72 |
8.1%
|