| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 490 |
51.8%
|
| 1 | Several days | 286 |
30.2%
|
| 2 | More than half the days | 135 |
14.3%
|
| 3 | Nearly every day | 35 |
3.7%
|