| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not at all | 535 |
40.4%
|
| 1 | Several days | 486 |
36.7%
|
| 2 | More than half the days | 109 |
8.2%
|
| 3 | Nearly every day | 195 |
14.7%
|
| 4 | Several days | 0 |
0%
|