| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 666 |
50.3%
|
| 1 | Several days | 297 |
22.4%
|
| 2 | More than half the days | 105 |
7.9%
|
| 3 | Nearly every day | 257 |
19.4%
|
| 4 | Several days | 0 |
0%
|